Reaction

Neutrophil Count Abnormal reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 2,787 reports · 112 co-occurring drugs

As of the last recalculation, Neutrophil Count Abnormal appears in 2,787 FAERS reports alongside 112 co-occurring drug terms. The strongest observed disproportionality signal is RIBOCICLIB (PRR 23.5).

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
Ribociclib	96	23.5	23.6
Pegfilgrastim	277	23.2	23.2
Ixazomib	85	22.7	22.8
Filgrastim	79	16.1	16.1
Loperamide Hydrochloride Oral	21	15.5	15.5
Fulvestrant	65	15.0	15.1
Anastrozole Tablets	39	13.8	13.8
Venetoclax	107	13.5	13.5
Letrozole Tablets	83	13.3	13.3
Loperamide Hcl	22	12.9	12.9
Clozapine	198	12.6	12.6
Temozolomide	32	11.5	11.5
Letrozole	90	11.2	11.3
Doxorubicin Hydrochloride	47	10.9	10.9
Cisplatin	108	10.7	10.7
Leucovorin Calcium	27	10.6	10.7
Carboplatin	170	10.6	10.6
Azacitidine	41	10.5	10.5
Cephalexin	29	10.1	10.1
Azacitidine For	24	9.9	9.9
Alemtuzumab	25	9.7	9.7
Bleomycin Sulfate	13	9.4	9.4
Etoposide	87	9.1	9.1
Palbociclib	110	8.9	8.9
Anastrozole	43	8.9	8.9
Doxorubicin	100	8.7	8.7
Gemcitabine	44	8.5	8.5
Sennosides 8.6 Mg Tablets	23	8.3	8.3
Mercaptopurine	19	8.2	8.2
Obinutuzumab	18	8.2	8.2
Senna	23	8.2	8.2
Irinotecan Hydrochloride	14	8.2	8.2
Senna Leaf	25	8.2	8.2
Fexofenadine	17	7.7	7.7
Ifosfamide	22	7.7	7.7
Polyethylene Glycol	11	7.6	7.6
Metoclopramide	55	7.6	7.6
Cyclophosphamide Injection, Solution	170	7.6	7.6
Cyclophosphamide	170	7.6	7.6
Cyclophosphamide For Injection	170	7.6	7.6
Acyclovir	109	7.4	7.4
Prochlorperazine	27	7.3	7.3
Brentuximab Vedotin	10	7.3	7.3
Gemcitabine Hydrochloride	51	7.3	7.3
Fluorouracil Cream, 0.5%	70	7.0	7.0
Fluorouracil	70	6.9	6.9
Vincristine Sulfate	26	6.7	6.7
Cytarabine	52	6.6	6.6
Blinatumomab	9	6.5	6.5
Niraparib	19	6.4	6.4
Acetylcysteine	8	6.4	6.4
Sennosides	25	6.3	6.3
Bevacizumab	101	6.3	6.3
Oxaliplatin	61	6.3	6.3
Travoprost	7	6.1	6.1
Brinzolamide	7	6.0	6.0
Fosaprepitant Dimeglumine	11	6.0	6.0
Dexamethasone Sodium Phosphate	8	5.9	5.9
Metoclopramide Hydrochloride	59	5.8	5.8
Bendamustine Hcl	12	5.8	5.8
Loperamide Hydrochloride	34	5.7	5.7
Dexamethasone 1.5 Mg	210	5.7	5.7
Dexamethasone	210	5.6	5.6
Bendamustine Hydrochloride	9	5.6	5.6
Paclitaxel	73	5.6	5.6
Dronabinol	6	5.6	5.6
Eculizumab	40	5.6	5.6
Acalabrutinib	9	5.6	5.6
Paclitaxel (Aibumin-Bound)	60	5.5	5.6
Canakinumab	8	5.5	5.5
Pemetrexed Disodium	28	5.5	5.5
Fenofibrate	26	5.5	5.5
Mesna Injection	6	5.4	5.4
Mesna	6	5.3	5.3
Zoledronic Acid	28	5.3	5.3
Imatinib	12	5.1	5.1
Cetuximab	21	5.0	5.0
Exemestane	14	4.9	4.9
Capecitabine	59	4.9	4.9
Pemetrexed	14	4.9	4.9
Eltrombopag Olamine	15	4.9	4.9
Aprepitant	12	4.9	4.9
Pomalidomide	65	4.8	4.8
Dapagliflozin	20	4.8	4.8
Posaconazole Delayed-Release	7	4.8	4.8
Posaconazole	10	4.6	4.6
Ibrutinib	49	4.6	4.6
Ondansetron	65	4.5	4.5
Ondansetron Tablets	65	4.5	4.5
Carfilzomib	17	4.5	4.5
Busulfan	9	4.3	4.3
Nilotinib	16	4.1	4.1
Pembrolizumab	55	4.0	4.0
Olaparib	11	3.9	3.9
Lapatinib	8	3.9	3.9
Lenalidomide	206	3.9	3.9
Trastuzumab	33	3.6	3.6
Ruxolitinib	34	3.6	3.6
Granisetron	5	3.6	3.6
Romiplostim	7	3.5	3.5
Peginterferon Alfa-2A	25	3.5	3.5
Docetaxel Anhydrous	30	3.3	3.4
Docetaxel	30	3.3	3.4
Avapritinib	5	3.1	3.1
Pegaspargase	5	3.1	3.1
Daratumumab	15	2.8	2.8
Trifluridine And Tipiracil	4	2.8	2.8
Durvalumab	7	2.6	2.6
Rucaparib	3	2.5	2.5
Peginterferon Beta-1A	4	2.3	2.3
Abemaciclib	6	2.2	2.2
Voxelotor	3	1.0	1.0

Related reactions

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