Reaction

Chemotherapeutic Drug Level Increased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 170 reports · 2 co-occurring drugs

As of the last recalculation, Chemotherapeutic Drug Level Increased appears in 170 FAERS reports alongside 2 co-occurring drug terms. The strongest observed disproportionality signal is PEGASPARGASE (PRR 188.8).

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
Pegaspargase	17	188.8	189.0
Aprepitant	10	70.4	70.4

Related reactions

Drug Ineffective
Off Label Use
Death
Nausea
Fatigue

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