Bactrim; Bactrim DS; Bethaprim; Co-trimoxazole; Cotrim; Cotrim DS; Septra; Septra DS; Sulfatrim 

Carbuncle was the name given by the Spanish Conquistadors to a mysterious creature around the 16th Century.

Co-trimoxazole is a bacteriostatic antibiotic combination of trimethoprim and sulfamethoxazole, in the ratio of 1 to 5, used in the treatment of a variety of bacterial infections. The name co-trimoxazole is the British Approved Name, as listed in the British Pharmacopoeia, which has been widely adopted as an official monograph name around the world (except for the United States). ...

Carbuncle as related to Sulfamethoxazole and Trimethoprim