🇺🇸 Sulfamethoxazole-Trimethoprim in United States

25,965 US adverse-event reports

Safety signals — FAERS

Adverse reaction reports describe suspected side effects. A report does not mean the drug caused the event — co-medications, underlying disease and coincidence all contribute.

• Window: 22 April 2025 – 22 April 2026
• Total reports: 25,965

Most-reported reactions

1. Drug Ineffective — 3,473 reports (13.38%)
2. Pyrexia — 3,378 reports (13.01%)
3. Off Label Use — 3,322 reports (12.79%)
4. Rash — 2,667 reports (10.27%)
5. Fatigue — 2,482 reports (9.56%)
6. Dyspnoea — 2,348 reports (9.04%)
7. Pain — 2,216 reports (8.53%)
8. Diarrhoea — 2,059 reports (7.93%)
9. Pruritus — 2,030 reports (7.82%)
10. Nausea — 1,990 reports (7.66%)

Source database →

Frequently asked questions

Is Sulfamethoxazole-Trimethoprim approved in United States?

Sulfamethoxazole-Trimethoprim does not currently have US marketing authorisation in our dataset.

Who is the marketing authorisation holder for Sulfamethoxazole-Trimethoprim in United States?

National Institute of Allergy and Infectious Diseases (NIAID) is the originator. The local marketing authorisation holder may differ — check the official source linked above.