Tetracycline

Tetracycline, sold under the brand name Sumycin among others, is an oral antibiotic in the tetracyclines family of medications, used to treat a number of infections,[1] including acne, cholera, brucellosis, plague, malaria, and syphilis.[1] Common side effects include vomiting, diarrhea, rash, and loss of appetite.[1] Other side effects include poor tooth development if used by children less than eight years of age, kidney problems, and sunburni... [wikipedia]