If you have a sulfa allergy, you should avoid antibiotics such as Bactrim or Septra (TMP/SMX, trimethoprim-sulfamethoxazole). Trimethoprim-sulfamethoxazole is the most commonly used sulfa antibiotic.

Sulfa refers to sulfonamides, known as sulfa drugs, while sulfite is commonly ... antibiotic combination drugs such as trimethoprim-sulfamethoxazole (Septra, Bactrim) and erythromycin ...

What Is a Sulfa Allergy? A sulfa allergy is a rash or more serious reaction to sulfa drugs. These drugs can treat a range of health problems from eye infections to rheumatoid arthritis (RA).

Sulfamethoxazole 400mg, trimethoprim 80mg; scored tabs. Sulfamethoxazole inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA). Trimethoprim blocks the ...

A sulfa allergy occurs when a person has an allergic reaction to drugs that contain chemicals called sulfonamides. Symptoms may include a rash, difficulty breathing, and more. Sulfa is present in ...

DEAR DR. ROACH:As a 90-year-old man in mostly good health, I have been taking one Bactrim (sulfamethoxazole/trimethoprim) pill per day for several years now ...

A patient history of allergic reaction to sulfa drugs should not exclude Polytrim as a treatment. There seems to be no correlation between trimethoprim sulfate and sulfa sensitivity. After using ...

Sulfamethoxazole 80mg, trimethoprim 16mg; per mL; contains sulfites, benzyl alcohol. Sulfamethoxazole inhibits bacterial synthesis of dihydrofolic acid by competing with para-aminobenzoic acid (PABA).