Reaction

Neutrophilia reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 5,602 reports · 104 co-occurring drugs

As of the last recalculation, Neutrophilia appears in 5,602 FAERS reports alongside 104 co-occurring drug terms. The strongest observed disproportionality signal is CLOZAPINE (PRR 142.9).

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.

Drug	Co-reports	PRR	ROR
Clozapine	2,602	142.9	145.9
Rabeprazole	92	15.7	15.7
Terbinafine Hydrochloride	28	11.8	11.8
Risedronate Sodium	91	11.0	11.1
Lithium	52	7.7	7.7
Lithium Bromatum	52	7.7	7.7
Rabeprazole Sodium	54	7.4	7.4
Ceftriaxone Sodium	69	6.8	6.8
Ampicillin	15	6.7	6.8
Ampicillin Sodium	15	6.7	6.8
Valproate Sodium	36	6.5	6.5
Aripiprazole Oral	71	6.4	6.5
Aripiprazole Orally Disintegrating	71	6.4	6.5
Ceftriaxone	54	6.2	6.2
Lithium Carbonate	28	6.2	6.2
Budesonide	95	6.1	6.1
Cefepime Hydrochloride	24	5.6	5.6
Colchicine	39	5.5	5.5
Cefepime	21	5.5	5.5
Gentamicin	19	5.4	5.4
Gentamicin Sulfate	20	4.7	4.7
Haloperidol	29	4.5	4.5
Clopidogrel Bisulfate	120	4.4	4.4
Haloperidol Lactate	29	4.4	4.4
Insulin Glargine-Yfgn	25	4.3	4.3
Hydroxyurea	24	4.2	4.2
Cefazolin	10	4.1	4.1
Nitrofurantoin	18	4.1	4.1
Nitrofurantoin (Monohydrate/Macrocrystals)	18	4.0	4.0
Indapamide	19	3.9	4.0
Filgrastim	39	3.9	3.9
Theophylline Anhydrous	12	3.6	3.6
Imatinib	17	3.6	3.6
Valproic Acid	30	3.6	3.6
Thiamine Hydrochloride	11	3.3	3.3
Clindamycin	25	3.3	3.3
Piperacillin And Tazobactam	11	3.2	3.2
Ado-Trastuzumab Emtansine	7	3.1	3.1
Cefazolin Sodium	10	3.1	3.1
Isoniazid	13	3.0	3.0
Erythromycin	15	3.0	3.0
Lamotirigine	57	3.0	3.0
Lamotrigine Extended-Release	57	3.0	3.0
Lamotrigine Chewable Dispersible	57	3.0	3.0
Prednisolone	142	3.0	3.0
Prednisolone Oral	142	3.0	3.0
Prednisolone Oral Solution	142	3.0	3.0
Olanzapine	84	2.9	2.9
Linagliptin	14	2.9	2.9
Vancomycin	44	2.8	2.8
Pemetrexed	16	2.8	2.8
Canakinumab	8	2.7	2.8
Romiplostim	11	2.7	2.7
Diazepam Oral Solution (Concentrate)	64	2.7	2.7
Diazepam Oral	64	2.7	2.7
Piperacillin Sodium,Tazobactam Sodium	19	2.7	2.7
Vancomycin Hydrochloride	47	2.7	2.7
Piperacillin Sodium And Tazobactam Sodium	14	2.7	2.7
Hydrochlorothiazide	102	2.6	2.6
Duloxetine	49	2.6	2.6
Aflibercept	21	2.5	2.5
Aripiprazole	80	2.4	2.4
Pemetrexed Disodium	25	2.4	2.4
Meropenem	21	2.4	2.4
Oxazepam	14	2.4	2.4
Daptomycin	6	2.4	2.4
Methoxy Polyethylene Glycol-Epoetin Beta	7	2.4	2.4
Metformin Er 500 Mg	184	2.3	2.3
Metformin Er 750 Mg	184	2.3	2.3
Polatuzumab Vedotin	6	2.3	2.3
Cetuximab	19	2.3	2.3
Metformin	209	2.2	2.2
Fluorouracil Cream, 0.5%	45	2.2	2.2
Fluorouracil	45	2.2	2.2
Oxaliplatin	43	2.2	2.2
Risperidone	76	2.1	2.1
Sitagliptin And Metformin Hydrochloride	12	2.1	2.1
Carboplatin	70	2.1	2.1
Voriconazole Injection	12	2.1	2.1
Pyrazinamide	5	2.0	2.0
Crisaborole	5	1.9	1.9
Capecitabine	47	1.9	1.9
Nilotinib	15	1.9	1.9
Linezolid	15	1.9	1.9
Bleomycin Sulfate	5	1.8	1.8
Pertuzumab	13	1.8	1.8
Docetaxel Anhydrous	32	1.8	1.8
Docetaxel	32	1.8	1.8
Cisplatin	36	1.7	1.7
Bendamustine Hcl	7	1.7	1.7
Bevacizumab	53	1.6	1.6
Paliperidone	10	1.6	1.6
Dabrafenib	9	1.6	1.6
Paclitaxel (Aibumin-Bound)	35	1.6	1.6
Paclitaxel	40	1.5	1.5
Fam-Trastuzumab Deruxtecan-Nxki	4	1.5	1.5
Lapatinib	6	1.4	1.4
Atezolizumab	15	1.4	1.4
Pegfilgrastim	38	1.4	1.4
Gemcitabine Hydrochloride	20	1.4	1.4
Trametinib	9	1.4	1.4
Dasatinib	12	1.2	1.2
Sofosbuvir	6	1.1	1.1
Paliperidone Palmitate	6	0.7	0.7

Related reactions

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