Reaction

Eosinophil Count Decreased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 2,295 reports · 65 co-occurring drugs

As of the last recalculation, Eosinophil Count Decreased appears in 2,295 FAERS reports alongside 65 co-occurring drug terms. The strongest observed disproportionality signal is CLOZAPINE (PRR 141.4).

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	1,060	141.4	142.6
Goserelin	57	39.5	39.6
Ciclesonide	52	35.4	35.5
Bicalutamide	46	27.9	28.0
Aripiprazole Oral	97	22.2	22.2
Aripiprazole Orally Disintegrating	97	22.2	22.2
Benralizumab	46	21.3	21.3
Mepolizumab	111	21.2	21.3
Sodium Bicarbonate	49	19.5	19.5
Sodium Bicarbonate Injection,	49	19.5	19.5
Olanzapine	168	15.2	15.2
Haloperidol	40	15.2	15.2
Haloperidol Lactate	40	14.9	14.9
Valproic Acid	49	14.4	14.4
Alemtuzumab	30	14.2	14.3
Salmeterol Xinafoate	13	13.8	13.8
Fosaprepitant Dimeglumine	20	13.3	13.3
Rabeprazole	32	13.3	13.3
Lithium	35	12.8	12.8
Lithium Bromatum	35	12.8	12.8
Aprepitant	24	11.9	11.9
Lithium Carbonate	21	11.3	11.3
Calcium Gluconate	14	10.6	10.6
Sennosides 8.6 Mg Tablets	24	10.5	10.5
Senna	24	10.4	10.4
Valproate Sodium	23	10.2	10.2
Risedronate Sodium	34	10.1	10.1
Senna Leaf	25	9.9	9.9
Atropine	9	9.9	9.9
Fluticasone Propionate And Salmeterol Xinafoate	61	9.4	9.4
Ribociclib	32	9.3	9.3
Albuterol	108	8.5	8.5
Quetiapine Fumarate	26	8.1	8.1
Aripiprazole	104	8.0	8.0
Sennosides	26	8.0	8.0
Anastrozole Tablets	18	7.7	7.7
Atropine Sulfate	9	7.6	7.6
Lansoprazole	124	6.6	6.6
Diazepam Oral Solution (Concentrate)	62	6.5	6.5
Diazepam Oral	62	6.5	6.5
Risperidone	82	5.8	5.8
Letrozole	37	5.5	5.5
Paliperidone	14	5.5	5.5
Fingolimod Hcl	50	5.3	5.3
Letrozole Tablets	28	5.3	5.3
Oxybutynin	16	5.0	5.0
Tiotropium Bromide Inhalation Spray	6	4.9	4.9
Docetaxel Anhydrous	32	4.4	4.4
Docetaxel	32	4.4	4.4
Lurasidone Hydrochloride	10	4.3	4.4
Rucaparib	4	4.1	4.1
Dapagliflozin	14	4.1	4.1
Entecavir	5	3.9	3.9
Eculizumab	23	3.9	3.9
Diroximel Fumarate	5	3.8	3.8
Pertuzumab	11	3.7	3.7
Budesonide, Glycopyrrolate, And Formoterol Fumarate	4	3.5	3.5
Alpelisib	3	3.1	3.1
Atezolizumab	13	3.0	3.0
Temozolomide	7	3.0	3.0
Avapritinib	4	3.0	3.0
Palbociclib	24	2.3	2.3
Romosozumab-Aqqg	3	2.0	2.0
Pirfenidone	7	1.6	1.6
Dupilumab	75	1.4	1.4

Related reactions

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