🇺🇸 Chloroquine Sulfate in United States

83 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: 83

Most-reported reactions

1. Off Label Use — 16 reports (19.28%)
2. Drug Ineffective — 12 reports (14.46%)
3. Condition Aggravated — 10 reports (12.05%)
4. Treatment Failure — 9 reports (10.84%)
5. Rheumatoid Arthritis — 8 reports (9.64%)
6. C-Reactive Protein Increased — 7 reports (8.43%)
7. Pain — 6 reports (7.23%)
8. Alanine Aminotransferase Increased — 5 reports (6.02%)
9. Arthritis — 5 reports (6.02%)
10. Covid-19 — 5 reports (6.02%)

Source database →

Frequently asked questions

Is Chloroquine Sulfate approved in United States?

Chloroquine Sulfate does not currently have US marketing authorisation in our dataset.

Who is the marketing authorisation holder for Chloroquine Sulfate in United States?

Washington University School of Medicine is the originator. The local marketing authorisation holder may differ — check the official source linked above.