Clotrimazole - instruction to this antifungal drug developed by numerous manufacturers producing it under their own brand names: antifungol, vikaderm, Gine-Lotra, imide, yenamazol, kandibene, Candida, Candida B kandizol, kanesten; Canisius, klomazol ,, clotrimazole, klofan, lotriderm, Lotrimin, menstan, mikohau, Ovis, faktodin, funginal, fungitsip.
The mechanism of action of clotrimazole
Clotrimazole - an antifungal drug for topical and local application of a group of imidazole derivatives. Clotrimazole produced in the following dosage forms: tablets vaginal cream for external use, ointment, gel, lotion, solution for external use (for spraying an aerosol container), a solution for oral and lozenges.
The mechanism of action involves a violation of clotrimazole education fungal cells of the active substance of ergosterol, which is part of the cell membranes of fungi. In its absence, in the membranes of fungi changes occur, but becomes permeable to many other substances harmful for it, which leads to the destruction of cells. In addition, Clotrimazole inhibits the activity of certain enzymes, and this also contributes to the accumulation of harmful fungi in cells for their materials.
Sensitivity to clotrimazole show almost all pathogenic fungi that cause infections in people - dermatophytes (fungi causing microspores trichophytosis and athlete), yeast (including fungi genus Candida) and molds, agents of multi-colored lichen, actinomycetes, Gram-positive bacteria (Staphylococcus , Streptococcus), Gram-negative bacteria (Gardnerella, Haemophilus influenzae), Trichomonas
Trichomonas - leads to infertility
and others.
In small concentrations of clotrimazole inhibits the vital functions of fungi in large - leads to the destruction of their cells. Clotrimazole is available only in the form of dosage forms for topical and external use. He hardly absorbed into the bloodstream when applied topically, when administered into the vagina absorbed about 3% of active principle. Therefore, he has almost no general (systemic) action.
When applied to the skin clotrimazole main part is concentrated in the outer layers, however, and in the middle layer (dermis) is created therapeutic concentration of the drug. When applied on the nails clotrimazole accumulated in all of its layers, including keratin.
Indications and contraindications
Depending on the dosage form of clotrimazole is used for all fungal and bacterial and fungal diseases of the skin, skin folds, scalp, feet, nails and mucous membranes caused by microorganisms sensitive to it:
- dermatophytes - Microsporum, Trichophyton, jock itch
Jock itch: fungal infection
and athlete's foot;
- otrubevidnom (multicolored) versicolor, erythrasma;
- candidiasis of the skin and mucous membranes (including genital candidiasis and candidiasis of the oral cavity and pharynx);
- fungal infections of the nails;
- fungal diseases complicated by additional bacterial infections;
- genital candidiasis, trichomoniasis complicated.
Clotrimazole is also used for the treatment of the birth canal before delivery. He is active, including the causative agents of infection, insensitive to nystatin and other locally acting anti-fungal.
Contraindications for use of clotrimazole are idiosyncrasy components of the drug by the body of the patient and the first trimester of pregnancy. In laboratory studies it was found that the application of clotrimazole in high doses, it has a toxic effect on the fetus. Hence the need for the appointment of clotrimazole in the second and third trimesters of pregnancy should be decided by the doctor individually.
It is not known whether clotrimazole with breast milk, so the baby during feeding
Breastfeeding - a personal choice
breast should be used with caution. No dosage forms clotrimazole not apply to the eye diseases.
Vaginal tablets and vaginal cream is not recommended for use during menstruation.
The side effects and the possibility of an overdose
Side effects at the local and external use clotrimazole rare. However, when applied to skin irritation and possible allergic reactions such as swelling, redness, itching and burning. Sometimes the swelling and pain arise in the mucous membranes.
No cases of overdose of clotrimazole was revealed. But if clotrimazole accidentally falls inside, it can result in severe poisoning. In such cases, you should immediately wash the stomach to take a few tablets of activated charcoal
Activated carbon - old but indispensable
and call an ambulance.
Galina Romanenko