is trimethoprim a penicillin
Penicillin is an antibiotic (a drug used to treat bacterial infections) made from a type of mold, Penicillium, that is commonly found on bread products. Its antibiotic qualiti â¦ es were discovered in 1928 by Alexander Fleming. Penicillin was commonly prescribed to take care of bacterial infections in humans and animals.t is used to treat bacterial infections and cause the infection to be cured. I â¦ t is derived from a common mold.       Penicillin treats bacterial infections, such as gonorrhea, which is a male oriented malady.  Combating bacterial infections.