Can you take Bactrim DS if you're allergic to penicillin?
Medically reviewed by Drugs.com. Last updated on Dec 3, 2018.
Official Answerby Drugs.com
Yes, Bactrim DS contains sulfamethoxazole and trimethoprim. It is in no way related to Penicillin. It is safe to take if you are allergic to Penicillin.
Bactrim DS is an antibiotic and belongs to a drug class called sulfonamides.