Reaction

Antipsychotic Drug Level Decreased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 525 reports · 15 co-occurring drugs

As of the last recalculation, Antipsychotic Drug Level Decreased appears in 525 FAERS reports alongside 15 co-occurring drug terms. The strongest observed disproportionality signal is CLOZAPINE (PRR 659.1).

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
Clozapine420659.1661.3
Lithium4169.870.0
Lithium Bromatum4169.870.0
Aripiprazole Oral5963.663.7
Aripiprazole Orally Disintegrating5963.663.7
Pyrazinamide1460.760.8
Atropine943.843.8
Valproate Sodium2141.942.0
Valproic Acid3141.441.4
Atropine Sulfate933.633.6
Isoniazid1332.632.6
Aripiprazole8130.830.8
Rifampin1130.530.5
Paliperidone1526.226.2
Cariprazine312.812.8

Related reactions

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