Reaction

Anticonvulsant Drug Level Above Therapeutic reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 644 reports · 20 co-occurring drugs

As of the last recalculation, Anticonvulsant Drug Level Above Therapeutic appears in 644 FAERS reports alongside 20 co-occurring drug terms. The strongest observed disproportionality signal is PHENYTOIN (PRR 281.9).

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
Phenytoin142281.9283.8
Extended Phenytoin Sodium73158.9159.6
Phenobarbital48115.6116.0
Valproic Acid93111.3111.6
Carbamazepine14590.090.2
Vigabatrin2762.462.6
Clobazam4056.456.5
Levetiracetam In Sodium Chloride11055.155.2
Levetiracetam Oral11055.155.2
Levetiracetam Injection11055.155.2
Lacosamide5350.150.1
Primidone1445.445.4
Lamotirigine8041.141.1
Lamotrigine Extended-Release8041.141.1
Lamotrigine Chewable Dispersible8041.141.1
Levetiracetam13541.141.1
Lamotrigine12638.238.2
Valproate Sodium1727.327.3
Quetiapine Fumarate2123.723.8
Ziprasidone1222.422.4

Related reactions

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