Reaction

Lymphocyte Count Abnormal reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 1,115 reports · 44 co-occurring drugs

As of the last recalculation, Lymphocyte Count Abnormal appears in 1,115 FAERS reports alongside 44 co-occurring drug terms. The strongest observed disproportionality signal is GENTAMICIN (PRR 73.1).

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.

Drug	Co-reports	PRR	ROR
Gentamicin	49	73.1	73.4
Alemtuzumab	66	67.6	67.9
Gentamicin Sulfate	49	60.5	60.7
Siponimod	23	49.1	49.2
Haloperidol	52	41.9	42.0
Lithium	53	41.2	41.2
Lithium Bromatum	53	41.2	41.2
Haloperidol Lactate	52	41.1	41.2
Pertuzumab	52	37.4	37.5
Piperacillin Sodium,Tazobactam Sodium	49	36.0	36.1
Fingolimod Hcl	114	27.3	27.3
Aripiprazole Oral	56	26.6	26.6
Aripiprazole Orally Disintegrating	56	26.6	26.6
Ozanimod Hydrochloride	10	22.7	22.7
Dimethyl Fumarate	130	22.2	22.2
Ribociclib	36	22.0	22.0
Candesartan	32	17.2	17.2
Trastuzumab	60	17.2	17.2
Levofloxacin	51	16.5	16.5
Levofloxacin In 5% Dextrose	51	16.5	16.5
Docetaxel Anhydrous	56	16.3	16.3
Docetaxel	56	16.3	16.3
Valsartan Oral	45	16.1	16.1
Duloxetine	56	15.7	15.8
Nilotinib	23	14.8	14.9
Paclitaxel (Aibumin-Bound)	56	13.3	13.3
Ibrutinib	55	13.3	13.3
Peginterferon Beta-1A	9	12.9	12.9
Clozapine	78	12.4	12.4
Venetoclax	38	11.9	11.9
Naproxen Sodium Tablet, Coated	8	11.1	11.1
Naproxen Sodium, Coated Tablets	8	11.1	11.1
Naproxen Sodium 220Mg	8	11.1	11.1
Paclitaxel	56	11.1	11.1
Acalabrutinib	7	10.8	10.8
Dalfampridine	39	10.5	10.5
Obinutuzumab	9	10.3	10.3
Sildenafil	31	10.2	10.3
Diroximel Fumarate	6	9.4	9.4
Bleomycin Sulfate	5	9.1	9.1
Risperidone	57	8.4	8.4
Temozolomide	7	6.2	6.2
Ofatumumab	11	6.2	6.2
Denosumab	63	6.1	6.1

Related reactions

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