Reaction

Anticonvulsant Drug Level Abnormal reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 175 reports · 4 co-occurring drugs

As of the last recalculation, Anticonvulsant Drug Level Abnormal appears in 175 FAERS reports alongside 4 co-occurring drug terms. The strongest observed disproportionality signal is EXTENDED PHENYTOIN SODIUM (PRR 665.1).

Important: FAERS is a spontaneous, voluntary, unverified reporting system. PRR and ROR identify reporting patterns for investigation; they are not incidence rates and do not establish causation.
DrugCo-reportsPRRROR
Extended Phenytoin Sodium61665.1667.6
Phenytoin32223.0223.3
Phenobarbital868.868.8
Cannabidiol737.037.0

Related reactions

Data source: openFDA FAERS. See the OpenPV methodology and limitations.