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: 20 April 2025 – 20 April 2026
Total reports: 41,690
Most-reported reactions
Drug Ineffective — 8,943 reports (21.45%)
Seizure — 8,882 reports (21.3%)
Off Label Use — 6,154 reports (14.76%)
Maternal Exposure During Pregnancy — 3,021 reports (7.25%)
Epilepsy — 2,822 reports (6.77%)
Drug Interaction — 2,508 reports (6.02%)
Fatigue — 2,507 reports (6.01%)
Foetal Exposure During Pregnancy — 2,502 reports (6%)