Reaction
Anticonvulsant Drug Level Decreased reporting signals
As of the last recalculation, Anticonvulsant Drug Level Decreased appears in 1,409 FAERS reports alongside 30 co-occurring drug terms. The strongest observed disproportionality signal is EXTENDED PHENYTOIN SODIUM (PRR 442.6).
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.
| Drug | Co-reports | PRR | ROR |
|---|---|---|---|
| Extended Phenytoin Sodium | 370 | 442.6 | 452.7 |
| Phenytoin | 186 | 151.5 | 152.9 |
| Phenobarbital | 59 | 62.7 | 63.0 |
| Valproic Acid | 81 | 40.2 | 40.3 |
| Valproate Sodium | 53 | 39.3 | 39.4 |
| Levetiracetam In Sodium Chloride | 173 | 37.5 | 37.5 |
| Levetiracetam Oral | 173 | 37.5 | 37.5 |
| Levetiracetam Injection | 173 | 37.5 | 37.5 |
| Levetiracetam | 261 | 35.2 | 35.3 |
| Primidone | 22 | 32.4 | 32.5 |
| Divalproex Sodium | 93 | 31.5 | 31.6 |
| Carbamazepine | 128 | 30.9 | 31.0 |
| Lamotirigine | 127 | 28.7 | 28.7 |
| Lamotrigine Extended-Release | 127 | 28.7 | 28.7 |
| Lamotrigine Chewable Dispersible | 127 | 28.7 | 28.7 |
| Oxcarbazepine | 54 | 25.5 | 25.5 |
| Zonisamide | 25 | 25.4 | 25.4 |
| Lamotrigine | 193 | 24.9 | 24.9 |
| Meropenem | 46 | 21.9 | 21.9 |
| Lacosamide | 47 | 19.3 | 19.3 |
| Clobazam | 24 | 14.8 | 14.8 |
| Vigabatrin | 14 | 14.3 | 14.3 |
| Cenobamate | 6 | 10.7 | 10.7 |
| Gentamicin | 9 | 10.2 | 10.2 |
| Topiramate | 61 | 10.1 | 10.1 |
| Asenapine Maleate | 5 | 8.6 | 8.6 |
| Brivaracetam | 4 | 6.6 | 6.6 |
| Pyrazinamide | 4 | 6.3 | 6.3 |
| Orlistat | 9 | 5.2 | 5.2 |
| Cannabidiol | 8 | 5.1 | 5.1 |