The clinical course of mycosis is often complicated by the bacterial flora, so therapy should be comprehensive and include drugs with antimicrobial and anti-inflammatory effects. In studies, a high activity of external forms of terbinafine against gram-positive and gram-negative bacteria was noted (Bolotnaya M.A., 2012). The shape of the spray allows you to evenly distribute the drug over the surface of the skin. TERBINORM spray is convenient and easy to use, provides quick treatment of fungal lesions, which is especially important in the presence of large lesions or their localization in the folds of the skin, between the toes. It should be noted that in addition to the antifungal action, terbinafine has a high anti-inflammatory activity and pronounced antibacterial properties, and due to lipo- and keratophilicity, it is quickly absorbed into the skin, softening it (Klimova I.Ya. et al., 2007). The spray form has a refreshing, drying , anti-inflammatory and antipruritic effects. Another advantage of TERBINORM spray is that it is odorless, colorless and does not leave marks on clothes. The course treatment with TERBINORM spray is 7 days. The drug is used once a day, while creating therapeutic concentrations of terbinafine in the layers of the skin, which persist for up to 1 week, which is due to the post-therapeutic effect of the drug.