Ciprofloxacin is a strong antibiotic used to prevent certain infections caused by parasite or bacteria such as giardiasis (caused by parasite), hookworm (live in the intestines), Pinworms (is called enterobiasis usually found in children), gonorrhea ( a sexually transmitted disease) ; Chlamydia ( sexually transmitted infection ) it discharge from the vagina or penis, Syphilis ( sexual contact) , trichomoniasis ( can occur through fomites like towels and toilet seats and from swimming pools), infection of the skin, prostate (male reproductive gland), plague and anthrax.