Suramin

Suramin is a medication used to treat African sleeping sickness and river blindness.[1][2] It is the treatment of choice for sleeping sickness without central nervous system involvement.[3] It is given by injection into a vein.[4] Suramin causes a fair number of side effects.[4] Common side effects include nausea, vomiting, diarrhea, headache, skin tingling, and weakness.[2] Sore palms of the hands... [wikipedia]