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Protargol is a colloidal solution of silver nitrate or oxide. The medicine is an effective antiseptic and has disinfectant properties.

When silver ions enter bacterial cells, their interaction with DNA is observed. As a result, the life process stops. However, sometimes difficulties arise with the use of the drug. In such a situation, you need to choose an effective analogue.

They have antimicrobial and vasoconstrictor properties. They successfully cope with the inflammatory process and can be used for children and adults.

Using the product results in the appearance of a thin film. This effect is achieved due to the interaction of protein elements with silver ions. Thanks to this, it is possible to prevent the growth of bacteria and achieve an astringent effect.

The active ingredient of the medicine is silver proteinate. The solution is made from the dry extract by mixing it with water. In most cases, the product is made with a concentration of 2%. After mixing with water, a clear brown liquid is obtained.

The medicine is used in the following areas of medicine:

The medicine is suitable for local use. The dosage and duration of therapy is determined by the attending physician. If you are intolerant or the cost of the substance is high, you can choose cheap analogues.

Collargol is the most popular analogue

This protargol substitute is black in color with a bluish or greenish tint. To make the drug, it must be mixed with water. If sinusitis or rhinitis develops, a drug with a concentration of 2% is usually prescribed. Drops are used 2-3 times a day. 3-4 drops are injected into the nasal openings.

Collargol is actively used in ophthalmology and otolaryngology. Sometimes it is prescribed for the treatment of urological or surgical pathologies. The medicine can be used by both children and adults. The required concentration is prepared by a pharmacist.

Depending on the required purpose, collargol is produced in the following forms:

1. Powder is the starting material that is used to prepare the required products.
2. Eye drops are a clear liquid placed in a dark glass container. This product has a faint aroma.
3. Ointment.
4. Solution for external use.

The drug consists of 70% silver ions. The remaining 30% is albumin. The other ingredients of the medicine have no special clinical knowledge.

Collargol has many indications for use. In ENT practice, it is most often prescribed for the development of rhinitis, including a purulent runny nose. Also included in the indications are adenoids.

In ophthalmology, the drug is used in the following situations:

• conjunctivitis;
• blenorrhea;
• dacryocystitis.

In surgical practice, collargol is used in cases of erysipelas, purulent wounds, and boils. Indications also include proctitis and lymphadenitis. In urology, the drug helps treat cystitis and urethritis.

The active substance of the drug reaches the surface of bacterial cells, disrupting their work. Despite the fact that microorganisms remain alive, they stop their active reproduction and lose their properties.

The drug then passes through the cell wall membrane. This causes a decrease in enzymatic activity and provokes the death of bacteria.

The substance has almost no restrictions on its use. However, it is prohibited to use if you are highly sensitive to active substances. In addition, there are no clinical studies regarding the use of the substance during pregnancy and lactation. Therefore, only a doctor can prescribe the drug during this period.

If the concentration of the drug is violated, there is a risk of serious damage to the nasal mucosa. There are no special instructions regarding interactions with other drugs, since the active component almost does not enter the blood. However, many doctors do not advise combining the use of collargol with other local drugs.

Sialor

Many people are interested: sialor or protargol - which is better? To answer this question, it is worth analyzing the properties of sialor. It is sold in tablet form. The kit includes distilled water to dissolve the substance. To obtain a solution with a concentration of 2%, you need to take 1 tablet with a dosage of 200 mg and mix with 10 ml of water. The substance can be used for 2 weeks. The product can be stored for a maximum of 30 days.

For treatment, you need to clean your nose and instill 1-2 drops of medicine into each hole. Sialor can be used for young children. This remedy is often used to prevent respiratory pathologies.

Sialor is included in the category of drugs with a vasoconstrictor effect. Due to this, it is possible to cope with swelling and restore breathing. Sialor has a wide spectrum of action - antimicrobial, astringent, drying. Using this substance you can achieve an antibacterial effect.

In pharmacies you can find several dosage forms of the substance - drops, solution. There is also a kit for preparing the solution. Sialor is most often prescribed in the following situations:

• adenoids;
• vasomotor rhinitis;
• otitis;
• nasopharyngitis;
• Eustachitis.

In addition, the medicine also has certain contraindications. Key restrictions include:

If you exceed the dosage prescribed by your doctor, there is a risk of unwanted side reactions. The main ones include:

• numbness;
• itching sensation;
• dryness and burning;
• headache;
• allergy;
• redness of the eyes.

For children, the solution should be administered twice a day, 3-5 drops. Adult patients are recommended to use 5 drops in the morning and evening.

Vitargol

This protargol replacement also contains silver particles, which are presented in the form of stabilized nanoparticles. 1 drop of the product contains 30 mcg of the product. In addition to the traditional use of the drug for rhinitis, otitis media, conjunctivitis, it can be used as a strong immunostimulant. Therefore, the substance is often prescribed during seasonal epidemics. The undoubted advantage of the medicine is the possibility of storage for 24 months.

The product is produced in convenient packaging, which is a polypropylene bottle with a drip dispenser. For rhinitis, 1 unit should be administered 3-5 times a day. This needs to be done within a week. The duration of therapy is 28-30 days. Then you can stop for 2 weeks and continue treatment again.

For prevention, take 1-2 drops 30 minutes before meals. This volume must be mixed with 50 ml of water. The medicine should not be used during pregnancy and lactation.

The advantage of the product is its low price and the ability to activate the body's defenses. The disadvantages include uneconomical consumption and difficulties in purchasing at the pharmacy.

Other analogues of Protargol

There are a number of drugs that cannot be called direct analogues of protargol. However, they may well replace this remedy:

Protargol is an effective medicine that helps cope with many pathologies of the ENT organs. If you are intolerant to this substance, you can choose more effective analogues. However, only a doctor can do this.

Similar articles

Therefore, in terms of therapeutic action, Protargol and Polydex are the same, therefore, they are conditional analogues.

Protargol: instructions for use and reviews

Latin name: Protargolum

ATX code: R01AX10, D.08.A.X

Active substance: silver proteinate

Manufacturer: PFC "Obnovlenie" (Russia), CJSC NPK "Echo" (Russia)

Updating the description and photo: 14.08.2019

In the recent past, Protargol solution was popular; it could be purchased at every pharmacy that prepared prescription medications. Nowadays, finding a remedy for the common cold, Protargol, is not so easy; to do this, you need to find a pharmacy where you can order the drug. The fact is that these drops have a short shelf life - up to 14 days, and it makes no sense to produce them in large volumes.

Compound

The composition of Protargol nasal drops includes two main ingredients - a dry protein substrate associated with silver ions and distilled water.

The drug is prepared in state pharmacies within 30 minutes; for this, a specialist dissolves a pre-prepared substrate containing about 8% silver in distilled water, obtaining a rich brown solution of 1-2% concentration.

Due to the fact that the drug contains protein substances, its validity period will be very limited - up to 2 weeks from the date of manufacture.

Indications for use of Protargol

Silver ions are effective against gram-positive, gram-negative, anaerobic and aerobic flora.

Let's consider for what diseases Protargol nasal drops are prescribed for children and adults:

1. Rhinitis, sinusitis . If the patient has thick, profuse snot, colored in and, this is an indication for the use of Protargol and Sialor, an absolute analogue of the drug. Drops containing silver can stop the development of purulent in time and prevent complications in the form of and.
2. Adenoids . Protargol in the nose for children can be prescribed if there is a condition accompanied by a chronic runny nose and an inflammatory process in the nasopharyngeal mucosa. Adenoids cause complications in a child such as breathing disorders, lack of oxygen, and hearing impairment. Nasal drops Protargol and analogues of this drug, if the rules of use are followed, effectively dry out the mucous membrane of the tonsils and fight inflammation, destroying pathogenic microflora. Some pediatricians are confident that Protargol can save a child from surgery.
3. Conjunctivitis, blepharitis . According to the instructions, Protargol solution in the form of nasal drops can be used to treat ophthalmological problems, in particular purulent inflammatory processes of the eyelids and eyes.

Contraindications

Protargol drops do not affect all types of infections - for example, silver ions are ineffective against viruses. The use of Protargol and its analogue Sialor for the treatment of a runny nose of a viral nature not only does not give a therapeutic result, but also causes harm, since the destruction of the existing bacterial flora provokes the monopolization of viral agents.

It is not difficult to find out the nature of a runny nose: if abundant clear fluid flows from the nose, then rhinitis is of viral origin, which means it is pointless to use Protargol.

This drug successfully treats bacterial rhinitis, in which the snot is colored yellow or green and has a thicker consistency.

It is contraindicated to use Protargol for treatment.

How do the drops work?

The affordability of the drug Protargol is of interest to potential buyers, but low cost is not the main advantage of this product.

Protargol solution in the form of nasal drops contains silver ions, which have antiseptic properties. But it is difficult to obtain active silver ions, since they quickly bind to each other. Therefore, first a dry extract is prepared as the basis for the future drug: silver is combined with a substrate of protein fractions, and then dried.

After this, the dry extract is dissolved in prepared distilled water. It is here that silver ions, dissociating from protein compounds, transform into an active form, as a result of which they begin to freely penetrate into pathogenic microorganisms, inhibiting their growth and reproduction.

Once on the nasal mucosa, nasal drops with Protargol silver actively bind protein fractions into compounds, forming a protective film that will prevent the penetration and activity of microorganisms - bacteria and fungi. Deprived of a nutrient medium, microbes die in the shortest possible time.

The film formed by Protargol not only fights the infectious factor, but also helps regenerate damaged tissue on the nasal mucosa. In addition, according to the instructions, Protargol nasal drops have a slight vasoconstrictor effect, which is due to the astringent effect on the mucous membrane.

The drug has a bacteriostatic and bactericidal effect. Protargol for rhinitis neutralizes and destroys bacterial and fungal flora. And regarding viruses, allergens and protozoa, active silver ions are not considered active. Thus, when choosing Protargol nasal drops, it is important to know exactly the cause of the runny nose.

Instructions and dosage

According to the instructions for using Protargol nasal drops, you can only use a freshly prepared drug. The medicinal solution is prepared to order at the pharmacy, and the date of its preparation and shelf life must be indicated on the label. The drug is most effective in the first 5 days of sale, then its medicinal properties deteriorate. The product can be stored for no more than 14 days. After the expiration date, Protargol becomes not only ineffective, but also dangerous.

Protargol and Sialor are practically the same thing, the therapeutic effect of the drugs is similar, but Sialor does not need to be ordered at the pharmacy. It can be purchased in the form of a spray and in tablets - in this case, the treatment solution can be prepared independently, at home. You can store the resulting product in the refrigerator for a month, but again, it is recommended to treat it in the first days after preparation, so the treatment of a runny nose will be more effective.

Regarding the use of Protargol for the treatment of children, the instructions say that these nasal drops should be instilled in an age-appropriate dosage. In this case, the amount of the drug and the duration of the course of treatment are determined by the doctor. In most cases, it is recommended to instill 1-3 drops into each nasal passage 3 times a day. Therapeutic course - 5 days.

Before instillation, it is recommended to rinse the nasal cavity and remove any remaining mucous discharge so that the drug works better. It is not advisable to use the drug at night, since liquid nasal discharge will interfere with normal breathing, and therefore proper sleep.

Protargol and Sialor for adults and children do not tolerate self-medication; drugs based on silver ions can only be used for medical reasons.

Let's figure out at what age Protargol and Sialor are used in pediatric otolaryngology; can the drug be used in children who are not yet one year old? Most domestic specialists are confident that Protargol is not only possible, but also should be used for the treatment of purulent rhinitis at any age, including in infants. At the same time, individual intolerance to the drug or allergic reactions in children are extremely rare.

Side effects

But are Protargol and Sialor safe for children? Like any drug, Protargol can cause side effects, especially if the dosage is not observed, unreasonably long-term use and uncontrolled use of the drug.

The list of possible side effects includes:

• atopic dermatitis;
• burning and numbness in the nasopharynx;
• dry mouth, dizziness, drowsiness.

A lot of concerns among parents are caused by the presence of silver ions in the nasal drops Protargol and its analogue for children, which give this medicinal solution healing properties. Silver is a heavy metal, and therefore has the ability to have a cumulative effect in the body, accumulating in vital organs, mucous membranes and skin. That is why it is not recommended to abuse treatment with Protargol; its use should be strictly dosed and prescribed by the attending physician.

Sometimes the drug causes allergic reactions in children, so its use in children with allergies, as well as pregnant women and nursing mothers is excluded. Allergies usually appear as a result of non-compliance with the instructions for use of Protargol and against the background of individual intolerance to one of the ingredients of the drug. Swelling and redness of the mucous membrane, dryness, burning and itching in the nasal cavity, dizziness and vomiting - all this can be signs of an allergy and an overdose of the drug.

Protargol's analogs

Since Protargol solution can only be purchased in pharmacies that have specialized services - preparing medications to order, a problem with purchasing the drug may arise in small localities.

But today there are available analogues of the drug that practically duplicate the pharmacological characteristics and composition of this remedy.

Sialor spray and tablets is an analogue of Protargol, the solution of which is successfully prepared at home with your own hands or sold ready-made. Many parents ask what is the difference between Protargol and Sialor and which one is better. The drugs differ only in packaging and cost.

Sialor tablets also contain a protein substrate associated with silver ions, and additionally a container with a special solvent. It is much easier to purchase Sialor; now you do not need to look for a pharmacy where Protargol can be prepared.

Collargol- another analogue of Protargol. However, this preparation contains a larger amount of silver - 70%. The solution is prepared only in a pharmacy, with strict adherence to the recipe. This remedy is used much less frequently than its analogues, under the mandatory supervision of a doctor.

The instructions for use of Protargol and Sialor do not include the treatment of a mild runny nose as indications for use. It must be remembered that only serious infections of the ENT organs of bacterial origin, which threaten to become chronic and cause complications, should be exposed to silver ions.

Analogue drugs Protargol and Sialor look ambiguous in reviews from parents of young children. On the one hand, silver ions, which are part of Protargol and control its therapeutic effect, can be effective against bacterial infection, even in an advanced stage. But, on the other hand, this remedy must be used according to strict indications, as it has serious side effects. It is highly not recommended to abuse it.

In order for the use to be as effective and safe as possible, the instructions for the use of Protargol and Sialor drops for children and adults require strict adherence to all recommendations and the exclusion of self-prescription of these drugs.

Useful video about Protargol drops

A big problem not only for the child, but also for the parents. Modern medicine is trying to produce new products that help rid a child of this disease in a short period of time. The medication Protargol (instructions for use for children are described in detail below) is used in the treatment of adults and children; it is used to treat inflammatory diseases and does not lead to the appearance of dysbiosis. The drug is recommended by many pediatricians, including Dr. Komarovsky.

In what cases is it prescribed?

This medication has a wide spectrum of action. Protargol is prescribed not only for various types, but also for ear diseases. Indications for use of the medicine:

• therapy with this drug is possible with, it is used in combination with antibacterial medications;
• it perfectly destroys bacteria and fungal infections;
• taking medication.

Other indications for use of the product: urethritis, and other infectious eye pathologies. Nasal drops are used for infants with...

At what age can children? For the treatment of runny nose in babies under one year old, it is recommended to use Protargol 1%. If a child is more than a year old, a 2% type of drug is prescribed. It is not advisable to use this remedy for newborn children, that is, the use of the medication is permitted from the moment the child is 6 months old.

Attention! The use of Protargol for children under 6 months is prohibited. If there is a need to use it, then only a doctor can prescribe the dosage.

Treatment with this drug has side effects and contraindications; it is better to use analogues or other vasoconstrictor drugs.

What is the effect of the drug

Many pediatricians have recently begun to prescribe Protargol, and most do not explain to parents what kind of medicine it is. Let's take a closer look at the answer to the question: “What kind of medicine is Protargol?” The drug is a protein compound of silver ions. It quickly makes breathing easier, kills bacteria and promotes the retreat of the disease.

The effect of a colloidal solution of silver ions is to provide antiseptic and astringent properties. Once on the nasal mucosa, the active substance of the drug binds proteins into compounds that form a protective film that prevents pathogenic microorganisms from entering the body. The medicine quickly kills bacteria.

This film not only prevents bacteria from penetrating further into the body, it has the effect of restoring the nasal mucosa. Protargol has been used for several decades. Based on statistical data, the drug does not cause an overdose, and side effects rarely occur.

Composition of the drug

Nasal drops with silver have a unique composition. The basis of the medicine is silver. Protargol also contains water. In terms of metal, the children's preparation contains 7.8% silver.

As you can see, nasal drops for children have a fairly simple dosage. Apart from water and silver, the preparation contains nothing else. Therefore, pediatricians actively prescribe medication to young children. However, the uniqueness of a drug does not mean the safety of the drug.

The medicine is available in the form of a solution and powder for its preparation. The concentration of the active ingredient for children is 1–2%; for adults, the drug is produced with a dosage of silver up to 5%.

Method of use of the medication

Protargol for children cannot be used independently. The medication is only available with a prescription from a doctor, so in any case you will have to show the baby to your local doctor or pediatrician. Instructions for children with a runny nose:

1. Before using Protargol, you should rinse the baby’s nasal passages with any saline solutions. It can be made at home or bought in a ready-made form at the pharmacy. To remove excess secretions, use But salt, Dolphin, Aquamaris and other available products based on sea water or salt.
2. You can use Protargol after washing no earlier than 5 minutes, you must wait until all the mucus comes out.
3. Now you can apply the drops. For the treatment of ENT diseases, it is necessary to instill 3-5 drops into each nasal passage. The medicine is used 2 to 4 times a day, depending on the course of the disease.

Important! Unfortunately, Protargol does not act instantly. The effect of using the medication will occur no earlier than after 2-3 days.

How to use for newborns? If the drug was prescribed for newborns, and the mother forgot how many drops should be put into the baby’s nose, then use the recommendations above, but when the time comes to use the medication, remember that small children under 1 year old should be administered 2-3 drops into each nasal passage.

Instructions for use should be given to the patient at the pharmacy along with the liquid for nasal instillation. It indicates how to drip Protargol for adults and children. How many days can a child take this drug? The duration of therapy is 2 weeks. You should not stop using the medicine if the symptoms go away after a week of using the medicine. It is necessary to complete the entire course of therapy.

Contraindications for use and side effects

Protargol solution is prohibited from being used in some cases. Contraindications to the use of the medicine:

• pregnancy and breastfeeding, in case of urgent need to use medicine, breastfeeding is interrupted;
• increased individual intolerance to the components of the drug;
• cannot be ingested due to the high toxicity of the drug.

There are not too many contraindications for this remedy, but there are plenty of side effects. Side effects of the medication:

• weakness and drowsiness;
• urticaria, skin itching, hyperemia (redness of the skin);
• when it enters the gastrointestinal tract, the drug quickly penetrates into the blood, causing dizziness and hyperemia of the eye mucosa;
• migraine;
• anaphylactic shock;
• swelling of the larynx;
• dryness of the oral mucosa.

If the drug is ingested or a severe overdose, you should immediately rinse the child’s stomach, call an ambulance and report the incident to your doctor. The medication does not affect driving; during the period of use of the drug, you can operate various factory mechanisms.

Interaction with other medications

There is no data on the interaction of Protargol with other medications. It is known that the medicine can be used simultaneously with other drugs. However, it is better to inform your doctor about the medications you have already started taking in order to avoid unpleasant consequences.

Cost of the product and analogues

The price for a 1% drug is 9.80 rubles, the cost of a 2% drug is 150–175 rubles. If the pharmacy chain does not have this drug, you can replace it with analogues. If substituting another product, seek medical advice before using other drops. Analogues for children:

• Sialor;
• Argovit;
• Collargol;
• Vitargol.

Sialor or Protargol: which is better? Both drugs are identical in composition and act identically. The difference here is in the form of release, and in the fact that Sialor is an analogue. The best in this case is Sialor. This medication is produced in the form of soluble tablets; you can prepare the solution yourself; there is no need to run to the pharmacy five days after opening, as when using Protorgol.

Best before date

Protargol should be stored in a dark place, protected from children. The drug has a short shelf life. The shelf life after opening is 14 days, however, the effectiveness of the product decreases after 5 days. Therefore, it is better to change to a new bottle 5 days after the first opening of the drug.

When purchasing the drug Protargol, pay attention to the expiration date; it is written on the sticker, where the concentration of the solution should also be indicated. Buy the medicine only freshly prepared.

Protargol for children is a brown, odorless liquid with a slightly bitter taste. If the concentration of the drug is higher, it destroys pathogenic microbes, but if the concentration is lower, it inhibits their development. In a pharmacy, with a doctor's prescription, you can buy protargol with a concentration of 1 to 5%, but for instillation into the nose of children, a one-percent solution is used. Since the higher the concentration of the drug, the more side effects it has.
Protargol is prescribed for children for inflammation of the mucous membrane of the eyes, runny nose, pharyngitis, otitis media, prevention of blepharitis in newborns, as well as for the treatment of adenoids.

To treat a runny nose, children instill 2-3 drops into each nasal passage into a previously cleaned nose. Instillation is carried out twice a day. Although the instructions for the drug indicate a course of treatment lasting fourteen days, it is advisable not to exceed a five-day course. In order for the treatment to be effective, only protargol should be used that has not expired. Some doctors advise not to put drops into the baby's nose, but to lubricate the nasal mucosa with liquid. When using the medicine, you should keep in mind that it is usually prescribed in combination with other medications.
Protargol can cause a number of side effects, including local reactions and allergic manifestations.

Positive qualities of the drug
The first positive point is the low price of the drug. In addition, most pediatricians consider this drug completely safe for children. The healing qualities of silver have been known to mankind since ancient times. In this connection, patients who have tried this drug once and were satisfied with it, no longer doubt, resort to it again and again.

Negative aspects of using the drug
There is a fairly large group of parents who were dissatisfied with the protargol. For children, the drug either did not help or caused negative reactions. Many parents are afraid to use this product, considering it harmful to the child. Modern children's doctors also practically do not prescribe this drug, despite the fact that there is no reliable information about its harmfulness to the child's body. However, WHO does not recommend the use of silver-containing drugs in the treatment of children under five years of age. In connection with this, today the drug is practically not used in pediatrics, as it is outdated.

Parents should be aware of the fact that silver is a heavy metal ( This group also includes poisonous arsenic, lead, cadmium and cobalt). This metal remains in the body for a very long time, and if it is introduced into the tissues periodically, the silver accumulates in the tissues. When entering the body through the bloodstream, the molecules of this metal sooner or later end up in the liver, kidneys, spleen, bone marrow, cornea of ​​the eyes, and endocrine glands. With an increased amount of this element in the body, a disease called argyrosis.
In addition, the use of protargol is effective only for microbial infections and is completely useless for viral ones, but it is viruses that cause the overwhelming number of acute respiratory infections (ARVI) in children.

There are three degrees of adenoid development based on size. The first degree is the smallest size, the adenoids of the second degree are larger and the third are the largest. At the same time, the size of the adenoids often does not indicate the degree of disturbances in the body. So even first-degree adenoids often provoke breathing problems, mild deafness and other painful processes. In this regard, treatment of the disease is prescribed only in consultation with an otolaryngologist after examining the patient and taking into account his complaints.
Most often, a surgical operation is prescribed, during which the adenoids are removed. But sometimes, if the adenoids are small ( 1st degree) and do not cause any particular inconvenience to the child, conservative measures may be prescribed, for example, instillation of a two percent solution of protargol into the nose.

Such treatment, as a rule, is not very effective, although there are observations that protargol slightly dehydrates and reduces the size of the adenoids. Before the procedure, you should rinse your nose so that the drug can wash the adenoids. The child's position should be lying on his back with his head tilted back slightly. Six to seven drops of the drug are instilled into each nostril. The little patient should remain still for a couple of minutes. This treatment is carried out twice a day for two weeks. After which there is four weeks of rest and another course of treatment.

When using protargol, it should be borne in mind that after five to six days from the date of manufacture, the drug usually stops working. Therefore, you need to constantly order a new portion from the pharmacy.
To generally strengthen the body, the patient should lead a healthy lifestyle and take vitamins D And WITH, fish oil, calcium. It is useful to go to the sea or to a special sanatorium in the summer.

The protein used for this was albumin, which is present in large quantities in chicken eggs. A pure preparation can contain up to seventy percent silver collargol and up to thirty percent protein, but for medicinal use in pharmacies it is diluted with water to a 0.2 - 5% solution. The drug is used in a concentration of 0.2 - 1% for treating eyes and abscesses, 1 - 2% in urology, 2 - 5% for the treatment of purulent rhinitis.

Protargol was created using approximately the same technology, but unlike the previous drug, there is much less silver here - up to eight and a half percent.
Some patients are still ardent adherents of silver preparations, although today official medicine uses them less and less. But a lot of health-improving drugs based on silver colloids have appeared, which supposedly work wonders on the appearance and health of patients. But is silver really so beneficial for the body and Why do doctors still prefer antibiotics and sulfonamides to silver preparations?

Silver belongs to the group of heavy metals and under certain circumstances it is dangerous to human health. In the sanitary standards for drinking water adopted in the Russian Federation, silver is in the second class of danger, which is called “highly hazardous substances.” So, according to sanitary standards, silver is considered on a par with cyanide, arsenic and lead.

According to the results of a study by foreign scientists, some microorganisms are actually destroyed only when the concentration of silver ions is more than 150 micrograms per liter. If the concentration is lower, then at best the microbes will simply suspend their vital activity. By the way, as soon as there is less silver, microbes will immediately begin to develop again. In addition, this metal is not capable of affecting all pathogenic agents. Thus, viruses, protozoa and spore-forming microorganisms thrive in any concentration of molecules of this metal.

The main dangerous property of heavy metals is their ability to remain in the body for a long time and even accumulate in some tissues. So, if one gram of silver accumulates in the body, a person’s skin becomes grayish, most noticeable in bright sunlight, and the color of the eyes changes. It's a disease called argyrosis. If ten grams of silver accumulate in a person’s blood, he dies. This outcome is possible if a person consumes colloidal silver solutions orally.

But in the thirties of the last century, doctors encountered argyrosis caused by seemingly harmless drops for the common cold, which contained silver. Already in those early years, many pharmaceutical companies stopped producing such drugs. In America today, colloidal silver is not an approved drug. That does not prevent unscrupulous manufacturers from using colloidal silver to produce pregnancy supplements.
The drug can provoke allergic manifestations and local side effects such as itching, burning, and irritation.

The drug is used only topically to treat mucous membranes and affected surfaces. For instillation into the ears, a 3-5% solution is used, for treating the nasopharynx 1-5%, for treating the urinary tract 1-3% solution, for treating the mucous membranes of the eyes 1-3%.

Collargol
This drug can also be called an analogue of protargol, since the principle of creating these two drugs is very similar, and the main active component of collargol is also silver. Collargol is an antiseptic. It is used to treat infected skin lesions, mucous membranes, treatment of conjunctivitis, blenorrhea, erysipelas of the skin, as well as soft chancre.
To treat wounds, solutions with a strength of up to one percent are used; in urology, solutions of one to two percent are used; for the treatment of the mucous membrane of the eyes, two to five percent solutions are prescribed. To treat skin with erysipelas and chancre, ointments containing 15% collargol are prepared based on this analogue of protargol.