Suggest Medication For An Ulcer On The Foot

Hi, may I answer your health queries right now ? Please type your query here...my mother has a ziest / ulcer /i dont no what it is, puss builds up in it its on the top of her foot its been going and coming for the last 4 yrs very painfull to walk on shes been to doctors overseas but nothing has worked shes been given a needle to inject ever night before she sleeps its called forteo.