number of therapeutic classes including antimicrobials, antiprotozoal, ecto and endo parasitic. They get metabolised and traces of their by-products are given out through faeces and urine of the animals which is mixed to the soil and eventually gets accumulated in the water bodies. Some of the medicines are aerosols and can cause effect through air. All these studies show that the use of therapeutic veterinary medicines causes effect on the ecosystem. Keeping in mind one of this global problem, the author