hi Doctor my son 24 years old, after spending a night swimming with his cousins in a public pool came home feeling ill, at first feverous and as the day progress the fever went up to 38.7, i gave paracetamol and got result, fever went down but he spend all night visiting the comfort room with dark green fecal and lab this morning says amoeba E. HISTOLYTICA CYST: 1-2/HPF was found, what med should be given to him, our family doctor is out of town