Full Definition of NINJA. : a person trained in ancient Japanese martial arts and employed especially for espionage and assassinations. See ninja defined for English-language learners.
Zyloprim Overview. Zyloprim is a prescription medication used to treat gout, high levels of uric acid, and kidney stones. Zyloprim belongs to a group of drugs call xanthine oxidase inhibitors, which work by decreasing uric acid in the body. High levels of uric acid may lead to gout attacks or kidney stones.
Allopurinol is used to treat gout, high levels of uric acid in the body caused by certain cancer medications, and kidney stones. Allopurinol is in a class of medications called xanthine oxidase inhibitors.