Comprehensive medicinal product for the treatment of otitis and skin lesions in dogs and cats of bacterial, fungal, and parasitic etiology. It is a transparent syrup-like suspension with a weak specific odor. Composition: miconazole nitrate 23 mg, polymyxin B sulfate 0.5293 mg, prednisolone acetate 5 mg. Other ingredients: colloidal silicon dioxide, liquid paraffin. Miconazole nitrate - a synthetic derivative of imidazole with pronounced antifungal activity and a strong effect against gram-positive bacteria. Polymyxin B sulfate - a polypeptide antibiotic with bactericidal action against gram-positive bacteria. Prednisolone acetate - a glucocorticoid with strong anti-inflammatory and anti-itching effects. Surilan, at recommended doses, does not have a skin-irritating or resorptive-toxic eff