FIELD: medicine, veterinary science, phytotherapy, pharmacy. SUBSTANCE: invention relates to compositions used for prophylaxis and treatment of microbiological gastroenteric and dermatological disorders. Compositions are based on essential oils extracted from the plant group consisting of Origanum vulgaris, Thymus vulgaris, Mentha piperita, Thymus serpilum, Saturea hortensis, Saturea montana, Saturea subricata, Carum corticum, Thymus zugis, Ocimum gratisimum, Moransa pungtata, Mosla japonoica and Salvia officinalis. Oil content is 1-15 wt.-% of total composition mass. Composition can be used in treatment of coli-bacteriosis, dermatomycosis, against lice, perspiration and foot fungi, dermatitis, acnes and veterinary sicknesses, for example, coccidiosis, mastitis. Preserved nutrient or food product has the composition indicated above. Invention ensures to avoid biorelapses both in human body and in meet and milk of animals and prevents the development of resistance of microorganisms to pharmaceutical compositions as a whole. EFFECT: enhanced effectiveness of compositions. 11 cl, 6 tbl, 16 ex
