On the day of treatment you are no allowed to drink alcohol, coffee or strong tea, because the substances in them cause vasolidation, It is no recommended to consume spicy foods especially onion and garlic. Patient before taking the leeches cannot smoke cigarettes. The body must be clean, therefore it's not allowed to use scented soap, perfumes, cremas and balsams for body, antiperspirants, deodrants or mass creams. Just before treatment it's best if you wash your body with grey soap. On the day of trearment, it's best if you relax and regenrate the body from any physical activity.