Sulfamethoxazole-Trimethoprim
Medically Reviewed by Dr. Harshi Dhingra, M.D.
Last Reviewed: Mar 26, 2025
Drug Details
Generic Name:
Common Brands:
Bactrim, Bactrim DS, Septra, Septra DS, Sulfatrim Suspension
Availability:
Prescription only
Therapeutic Class:
Sulfonamide antibiotics
Forms:
Oral tablet, oral suspension
Administration:
By mouth
Therapeutic Uses:
Bacterial infections including pneumonia, acute exacerbations of chronic bronchitis, urinary tract infections, ear infections, and traveler’s diarrhea
Controlled Status:
Not a controlled substance
Sulfamethoxazole Trimethoprim Drug Class
Sulfamethoxazole (sulfa-meth-ox-ah-zole) and trimethoprim (try-meth-oh-prim) belong to a group of drugs called sulfonamides or sulfa antibiotics.
Sulfamethoxazole Trimethoprim Age Range
Sulfamethoxazole and trimethoprim are approved for use in adult and pediatric patients. This medication is not recommended in infants younger than 2 months of age.
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