🇺🇸 methadone tablets in United States

11 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: 23 April 2025 – 23 April 2026
• Total reports: 11

Most-reported reactions

1. Haemoglobin Decreased — 2 reports (18.18%)
2. Anxiety — 1 report (9.09%)
3. Blood Triglycerides Increased — 1 report (9.09%)
4. Cardiomegaly — 1 report (9.09%)
5. Delirium — 1 report (9.09%)
6. Diabetes Mellitus — 1 report (9.09%)
7. Drug Ineffective — 1 report (9.09%)
8. Drug Toxicity — 1 report (9.09%)
9. Hepatosplenomegaly — 1 report (9.09%)
10. Hypertension — 1 report (9.09%)

Source database →

Frequently asked questions

Is methadone tablets approved in United States?

methadone tablets does not currently have US marketing authorisation in our dataset.

Who is the marketing authorisation holder for methadone tablets in United States?

University of Sao Paulo is the originator. The local marketing authorisation holder may differ — check the official source linked above.