"Povidone" - what is it? Povidone-iodine: product description, instructions for use

Povidone - what is it? You will find the answer to this question in this article. Also, it will provide information on what features this substance has, and also preparations based on it.

general information

Do you know what a substance is like povidone? What it is? According to experts, this substance is a component of many drugs. It is an insoluble form of low molecular weight polyvinylpyrrolidone, which has cross-links. In medicine, povidone is used as an enterosorbent.

pharmachologic effect

What is povidone used for? What is it and what properties does it have? This substance has detoxification effect, which consists in its ability to actively bind toxins found in the human body and coming from outside, and then take them out through the intestine. In the systemic circulation this element does not enter.

As medical practice shows, povidone is not able to damage the mucous membranes of the digestive tract, and also accumulate in the human body. Moreover, it practically has no side effects and contraindications, being quite a safe remedy.

The therapeutic effect after taking this substance is manifested in ¼ hours.

It should also be noted that povidone is able to slow down the rate and reduce the degree of absorption from the gastrointestinal tract of other drugs. In this regard, it must be taken after two hours after ingestion and other medications.

Indications for use of povidone

Now you know the answer to the question: "Povidone - what is it?" This agent is very often used in toxic forms of acute infectious diseases of the digestive tract (for example, dysentery, salmonella and others), food poisoning (food poisoning) and intoxication (poisoning) of a different origin.

In addition, this substance is used for enteritis (inflammation of the small intestine), exacerbation of chronic enterocolitis (inflammation of the thick and small intestine), as well as liver failure.

Preparations of iodine

As mentioned above, povidone is often used as a primary or auxiliary component of various medications. And iodine preparations are no exception.

"Povidone-iodine" is available in the form of 10% and 7.5% solution for external application with the formation of foam. It should also be noted that the said agent is often used for the preparation of medicinal ointments and suppositories.

Composition, description and packaging of mortar and candles

What elements does the Povidone-iodine medication include? The instruction says that the composition of this preparation includes iodine in the form of a complex with polyvinylpyrrolidone binding it, as well as auxiliary ingredients in the form of nonoxynol, disodium hydrophosphate 12-hydrate, glycerol, citric acid, sodium hydroxide and demineralized water.

In the sale of such a liquid of dark brown color with a pronounced odor of iodine comes in plastic bottles or jerricans. When shaken, it foam well.

Also you can buy suppositories "Povidone". Vaginal suppositories are available in contoured cell packs.

Features of medicines

These drugs have disinfectant and antiseptic properties.

The solution "Povidone-iodine" is a medicament of a wide spectrum of antimicrobial action. It adversely affects the majority of gram-negative and gram-positive bacteria. It should also be noted that the effect of this agent is more prolonged than that of inorganic iodine.

Suppositories "Povidon", whose price is about 480 rubles, are created on a water-soluble basis. Therefore, in the course of their use, the patient almost never experiences irritating reactions.

It should also be noted that the local application of this drug does not cause iodine absorption.

Indications

Why use a 10% solution of Povidone? The instruction informs about the following indications of this tool:

• Infectious wounds in burn, surgical, dental and traumatological practice;
• Trophic ulcers, pressure sores and diabetic feet ;
• Bacterial, fungal and viral skin infections, as well as superinfections in dermatology;
• Disinfection of the skin near the probes, catheters and drains, as well as the mouth in dental practice;
• Disinfection of mucous membranes and skin before surgery or invasive examinations;
• Disinfection of the birth canal.

7.5% solution is recommended:

• At disinfection of hands at the medical personnel;
• Disinfecting treatment of patients before surgery;
• Hygienic treatment of hands after contact with infected patients;
• Hygienic treatment of patients;
• Processing of medical tools, etc.

As for suppositories, they are used to treat:

• Trichomoniasis;
• Candidiasis;
• Vaginitis;
• Genital herpes.

Contraindications for use

Any form of the presented drug is prohibited to use:

• With hyperthyroidism;
• Hypersensitivity;
• Herpetiform dermatitis of Dühring;
• Under the age of eight;
• Lactation;
• Joint application of radioactive iodine ;
• Pregnancy.

Methods of application

The solution "Povidone-iodine" is intended for local use. It is used undiluted for washing and lubrication of infected areas of mucous membranes and skin. If necessary, use a bandage, previously soaked in the preparation.

If this medication is for drainage systems, then it is recommended to dilute it beforehand 10-100 times.

Suppositories "Povidone-iodine" is prescribed for a deep intravaginal injection. The dose of this drug, the therapeutic regimen and the duration of its use are set individually by the doctor-gynecologist.

Usually the daily dosage of suppositories during the treatment of acute vaginitis is 1-2 pieces. When treating subacute or chronic vaginitis, the medication is recommended to be used in the amount of one suppository before bedtime.

Therapy with this drug can last for 1-2 weeks.

Side effects

The use of this drug on extensive wound surfaces can lead to a systemic absorption of iodine, which will necessarily affect the tests of activity of the thyroid gland, and will lead to the development of neutropenia.

In rare cases, the presence of hypersensitivity to the medication can cause the patient to have allergic reactions to iodine, which manifest themselves as hyperemia, burning, swelling, itching and pain. This requires an immediate withdrawal of the medicine.

Prolonged use of "Povidone-iodine" (more than one week) can cause the development of iodine, increased salivation, swelling of the eyes or larynx.