Reaction

Eosinophil Count Increased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 8,199 reports · 371 co-occurring drugs

As of the last recalculation, Eosinophil Count Increased appears in 8,199 FAERS reports alongside 371 co-occurring drug terms. The strongest observed disproportionality signal is CICLESONIDE (PRR 70.5).

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
Ciclesonide	362	70.5	72.5
Mepolizumab	857	48.8	49.6
Benralizumab	246	32.1	32.5
Dimenhydrinate	103	24.8	25.1
Tiotropium Bromide Inhalation Spray	102	23.4	23.6
Rabeprazole	196	23.0	23.2
Rosuvastatin Calcium	199	18.4	18.5
Clozapine	726	16.0	16.1
Budesonide And Formoterol Fumarate Dihydrate	556	15.5	15.6
Fluticasone Propionate And Salmeterol Xinafoate	335	14.7	14.8
Alemtuzumab	109	14.5	14.6
Budesonide	317	14.2	14.2
Montelukast Sodium	618	13.9	13.9
Rabeprazole Sodium	143	13.5	13.6
Fluticasone Furoate And Vilanterol Trifenatate	186	13.4	13.5
Salmeterol Xinafoate	43	12.7	12.8
Mometasone	91	12.7	12.8
Fluticasone Furoate	60	12.7	12.7
Theophylline	54	12.0	12.1
Tiotropium Bromide	602	12.0	12.0
Daptomycin	43	11.9	11.9
Omalizumab	378	11.8	11.8
Rifampicin	46	11.6	11.7
Theophylline Anhydrous	56	11.5	11.6
Risedronate Sodium	139	11.5	11.6
Ipratropium Bromide	157	11.4	11.4
Albuterol	482	10.8	10.8
Goserelin	54	10.3	10.3
Albuterol Sulfate	1,035	10.0	10.0
Mometasone Furoate	159	9.9	9.9
Bicalutamide	58	9.7	9.8
Ado-Trastuzumab Emtansine	32	9.7	9.7
Sodium Bicarbonate	84	9.3	9.3
Sodium Bicarbonate Injection,	84	9.3	9.3
Montelukast	250	7.8	7.8
Piperacillin Sodium,Tazobactam Sodium	79	7.6	7.6
Fluticasone Propionate Nasal	88	7.4	7.5
Cimetidine	28	7.4	7.4
Umeclidinium	26	7.4	7.4
Standardized Senna Concentrate	35	7.1	7.1
Rifampin	40	7.0	7.0
Piperacillin And Tazobactam	35	7.0	7.0
Piperacillin Sodium And Tazobactam Sodium	53	6.9	6.9
Prednisone	1,146	6.6	6.6
Valproate Sodium	53	6.5	6.6
Methoxy Polyethylene Glycol-Epoetin Beta	28	6.5	6.5
Meropenem	79	6.3	6.3
Azithromycin	97	6.2	6.2
Moxifloxacin Hydrochloride	49	6.2	6.2
Azithromycin Monohydrate	97	6.0	6.0
Carbamazepine	150	5.8	5.8
Azithromycin Dihydrate	126	5.5	5.5
Cefazolin Sodium	26	5.5	5.5
Quinapril Hydrochloride	17	5.5	5.5
Antacid	98	5.3	5.3
Vancomycin Hydrochloride	131	5.1	5.1
Meloxicam	115	5.1	5.1
Calcium Gluconate	24	5.1	5.1
Methylprednisolone Sodium Succinate	91	5.0	5.0
Olanzapine Pamoate	80	5.0	5.0
Vancomycin	112	5.0	5.0
Nicotine Polacrilex Mini	29	4.9	4.9
Nicotine Polarilex	29	4.9	4.9
Dupilumab	853	4.9	4.9
Pyrazinamide	18	4.9	4.9
Olanzapine	202	4.9	4.9
Cetirizine Hydrochloride Allergy	57	4.8	4.8
Cetirizine Hydrochloride Tablets	57	4.8	4.8
Cefazolin	17	4.7	4.7
Alendronate Sodium	183	4.7	4.7
Bisoprolol Fumarate	244	4.7	4.7
Alendronate Sodium Tablet	33	4.5	4.5
Cladribine	17	4.5	4.5
Escitalopram Oxalate	127	4.5	4.5
Tolvaptan	25	4.4	4.4
Acetylcysteine	16	4.3	4.3
Iohexol	14	4.3	4.3
Fluticasone Propionate	214	4.3	4.3
Azathioprine	146	4.3	4.3
Clopidogrel Bisulfate	169	4.3	4.3
Calcium Carbonate	111	4.2	4.2
Diazepam Oral Solution (Concentrate)	146	4.2	4.2
Diazepam Oral	146	4.2	4.2
Haloperidol	40	4.2	4.2
Moxifloxacin	23	4.2	4.2
Phenytoin	34	4.1	4.2
Cetirizine	125	4.1	4.1
Haloperidol Lactate	40	4.1	4.1
Gentamicin	21	4.1	4.1
Isoniazid	26	4.1	4.1
Lithium Carbonate	27	4.0	4.1
Cetiirizine	67	4.0	4.0
Gentamicin Sulfate	25	4.0	4.0
Clarithromycin	54	4.0	4.0
Pitavastatin Calcium	16	4.0	4.0
Tranexamic Acid	13	3.7	3.7
Granisetron Hydrochloride	15	3.7	3.7
Granisetron	15	3.6	3.6
Cefuroxime	16	3.6	3.6
Azelastine	25	3.5	3.5
Esomeprazole Magnesium Capsule, Delayed Release	20	3.5	3.5
Esomeprazole Magnesium Delayed Release Capsules	20	3.5	3.5
Esomeprazole Magnesium Dihydrate	20	3.5	3.5
Telmisartan	24	3.4	3.4
Magnesium Oxide	56	3.4	3.4
Dalteparin Sodium	14	3.4	3.4
Ramipril	161	3.3	3.3
Ceftriaxone Sodium	50	3.3	3.3
Methylprednisolone	177	3.3	3.3
Fexofenadine Hcl	12	3.3	3.3
Imatinib Mesylate	36	3.3	3.3
Ursodiol	28	3.3	3.3
Febuxostat Tablets 40 Mg	13	3.2	3.3
Febuxostat Tablets 80 Mg	13	3.2	3.3
Diazepam	153	3.2	3.2
Spironolactone	175	3.2	3.2
Amoxicillin And Clavulanate Potassium	33	3.1	3.1
Itraconazole	14	3.0	3.0
Hydrochlorothiazide	171	3.0	3.0
Nilotinib	35	3.0	3.0
Sirolimus	16	3.0	3.0
Clindamycin Phosphate	39	3.0	3.0
Cetirizine Hydrochloride	190	3.0	3.0
Sevelamer Carbonate	13	2.9	2.9
Ceftriaxone	37	2.9	2.9
Iron	75	2.9	2.9
Thiamine Hydrochloride	14	2.9	2.9
Entecavir	13	2.8	2.8
Lithium	28	2.8	2.8
Lithium Bromatum	28	2.8	2.8
Linezolid	33	2.8	2.8
Escitalopram	153	2.8	2.8
Acetaminophen Tablet Extended Release	274	2.8	2.8
Pain Reliever	274	2.8	2.8
Acetaminophen 500Mg	274	2.8	2.8
Bisacodyl Suppositories	14	2.7	2.8
Lamotrigine	141	2.7	2.7
Biscodyl	14	2.7	2.7
Furosemide	415	2.7	2.7
Bisacodyl	15	2.7	2.7
Cyanocobalamin	35	2.7	2.7
Hydrocortisone Sodium Succinate	10	2.7	2.7
Diphenhydramine Hydrochloride	173	2.7	2.7
Ranibizumab	28	2.7	2.7
Levocetirizine Dihydrochloride	25	2.6	2.6
Clindamycin	29	2.6	2.6
Prednisolone	182	2.6	2.6
Prednisolone Oral	182	2.6	2.6
Prednisolone Oral Solution	182	2.6	2.6
Dornase Alfa	20	2.6	2.6
Pantoprazole Sodium In 0.9% Sodium Chloride	63	2.6	2.6
Pantoprazole Sodium Injection	63	2.6	2.6
Canakinumab	11	2.6	2.6
Febuxostat	17	2.6	2.6
Acetaminophen, Guaifenesin, And Phenylephrine Hydrochloride	159	2.6	2.6
Amlodipine Besylate And Valsartan	11	2.5	2.5
Cefepime Hydrochloride	16	2.5	2.5
Hydroxyzine Hydrochloride	13	2.5	2.5
Hydroxyzine Hydrochloride Oral	13	2.5	2.5
Valproic Acid	31	2.5	2.5
Fluconazole	68	2.5	2.5
Sennosides	29	2.5	2.5
Raltegravir	16	2.5	2.5
Diltiazem Hydrochloride Extended-Release Tablets	11	2.5	2.5
Lansoprazole	170	2.5	2.5
Ezetimibe	72	2.5	2.5
Ciprofolxacin	68	2.4	2.4
Ciprofloxacin Tablets	68	2.4	2.4
Ipilimumab	41	2.4	2.4
Famotidine	111	2.4	2.4
Lubiprostone	9	2.4	2.4
Valsartan	99	2.4	2.4
Pantoprazole	236	2.4	2.4
Nivolumab	91	2.4	2.4
Dapsone	10	2.4	2.4
Insulin	52	2.4	2.4
Acetaminophen	403	2.4	2.4
Daspone	9	2.3	2.3
Abacavir Sulfate	9	2.3	2.3
Dapsone Gel, 5%	9	2.3	2.3
Cefepime	13	2.3	2.3
Extended Phenytoin Sodium	15	2.3	2.3
Ciprofloxacin Hydrochloride	86	2.3	2.3
Rizatriptan Benzoate	9	2.2	2.2
Hydroxyzine	42	2.2	2.2
Ciprofloxacin	80	2.2	2.2
Ursosiol	17	2.2	2.2
Irbesartan	39	2.2	2.2
Enoxaparin Sodium	50	2.2	2.2
Candesartan	31	2.2	2.2
Levofloxacin	52	2.2	2.2
Levofloxacin In 5% Dextrose	52	2.2	2.2
Ergocalciferol	322	2.2	2.2
Sodium Chloride Tablet	62	2.1	2.1
Sodium Chloride Tablets	62	2.1	2.1
Ampicillin	7	2.1	2.1
Ampicillin Sodium	7	2.1	2.1
Nicotine	34	2.1	2.1
Micafungin Sodium	7	2.1	2.1
Senna Leaf	19	2.1	2.1
Amikacin	14	2.1	2.1
Sodium Chloride	64	2.1	2.1
Sennosides 8.6 Mg Tablets	17	2.1	2.1
Ketoconazole	14	2.1	2.1
Enalapril Maleate	20	2.1	2.1
Senna	17	2.0	2.1
Rosuvastatin	163	2.0	2.0
Mesalamine	45	2.0	2.0
Heparin Sodium	11	2.0	2.0
Aripiprazole Oral	33	2.0	2.0
Aripiprazole Orally Disintegrating	33	2.0	2.0
Imatinib	14	2.0	2.0
Deferasirox	21	2.0	2.0
Pembrolizumab	83	2.0	2.0
Gemfibrozil	12	2.0	2.0
Nitrofurantoin	13	2.0	2.0
Terbinafine Hydrochloride	7	2.0	2.0
Anakinra	13	2.0	2.0
Pramipexole	12	2.0	2.0
Acetaminophen, Chlorpheniramine Maleate, Phenylephrine Hcl	39	2.0	2.0
Epinephrine	51	2.0	2.0
Bosutinib	7	2.0	2.0
Nitrofurantoin (Monohydrate/Macrocrystals)	13	2.0	2.0
Warfarin Sodium	36	2.0	2.0
Esomeprazole	48	2.0	2.0
Gefitinib	7	2.0	2.0
Sulfamethoxazole And Trimethoprim	65	2.0	2.0
Allopurinol	120	2.0	2.0
Doxycycline Hyclate	52	2.0	2.0
Fluticasone Propionate And Salmeterol	32	2.0	2.0
Clopidogrel	151	2.0	2.0
Sitagliptin	55	1.9	1.9
Doxycycline	52	1.9	1.9
Nicotine Polacrilex	29	1.9	1.9
Midazolam	19	1.9	1.9
Bendamustine Hydrochloride	9	1.9	1.9
Levothyroxine Sodium	232	1.9	1.9
Oxcarbazepine	24	1.9	1.9
Calcium	109	1.9	1.9
Fexofenadine Hydrochloride	16	1.9	1.9
Loratadine Oral	36	1.9	1.9
Topiramate	68	1.9	1.9
Divalproex Sodium	34	1.9	1.9
Lamotirigine	52	1.8	1.8
Lamotrigine Extended-Release	52	1.8	1.8
Lamotrigine Chewable Dispersible	52	1.8	1.8
Adrenalinum	30	1.8	1.8
Colchicine	19	1.8	1.8
Amphotericin B	9	1.8	1.8
Midazolam Hydrochloride	19	1.8	1.8
Fluticasone Furoate, Umeclidinium Bromide And Vilanterol Trifenatate	29	1.8	1.8
Nifedipine	33	1.8	1.8
Cyclophosphamide Injection, Solution	123	1.8	1.8
Cyclophosphamide	123	1.8	1.8
Cyclophosphamide For Injection	123	1.8	1.8
Amlodipine Besylate	101	1.8	1.8
Dextrose	9	1.7	1.7
Apalutamide	8	1.7	1.7
Remdesivir	9	1.7	1.7
Biotin	21	1.7	1.7
Dextrose Monohydrate	9	1.7	1.7
Budesonide, Glycopyrrolate, And Formoterol Fumarate	7	1.7	1.7
Mupirocin	9	1.7	1.7
Ravulizumab	9	1.7	1.7
Vemurafenib	8	1.7	1.7
Filgrastim	25	1.7	1.7
Lopinavir And Ritonavir	9	1.7	1.7
Linagliptin	12	1.7	1.7
Pravastatin Sodium	13	1.7	1.7
Oseltamivir Phosphate	16	1.7	1.7
Mupirocin Calcium	9	1.7	1.7
Fenofibrate	23	1.6	1.6
Calcitriol Capsules 0.25 Mcg	13	1.6	1.6
Calcitriol Capsules 0.5 Mcg	13	1.6	1.6
Pancrelipase	25	1.6	1.6
Vortioxetine	11	1.6	1.6
Glimepiride	25	1.6	1.6
Doxazosin Mesylate	23	1.6	1.6
Loratadine	68	1.6	1.6
Levetiracetam In Sodium Chloride	49	1.6	1.6
Levetiracetam Oral	49	1.6	1.6
Levetiracetam Injection	49	1.6	1.6
Acyclovir	72	1.6	1.6
Ocrelizumab	39	1.6	1.6
Iron Sucrose	6	1.6	1.6
Oseltamivir	5	1.6	1.6
Eplerenone	8	1.6	1.6
Guaifenesin	19	1.6	1.6
Anti-Thymocyte Globulin (Rabbit)	5	1.6	1.6
Raloxifene Hydrochloride	9	1.6	1.6
Aripiprazole	75	1.6	1.6
Amlodipine	163	1.5	1.5
Paliperidone	14	1.5	1.5
Romiplostim	9	1.5	1.5
Darunavir	9	1.5	1.5
Dexamethasone Sodium Phosphate	6	1.5	1.5
Icosapent Ethyl	5	1.5	1.5
Levetiracetam	78	1.5	1.5
Brentuximab Vedotin	6	1.5	1.5
Amantadine	9	1.5	1.5
Fosaprepitant Dimeglumine	8	1.5	1.5
Loratadine Tablet	31	1.5	1.5
Dexlansoprazole	24	1.5	1.5
Alpelisib	5	1.5	1.5
Tobramycin Sulfate	7	1.4	1.4
Risperidone	74	1.4	1.4
Darbepoetin Alfa	30	1.4	1.4
Fingolimod Hcl	48	1.4	1.4
Lisdexamfetamine Dimesylate	18	1.4	1.4
Zonisamide	8	1.4	1.4
Cariprazine	5	1.4	1.4
Carboxymethylcellulose Sodium	5	1.4	1.4
Rivastigmine	10	1.3	1.3
Mometasone Furoate And Formoterol Fumarate Dihydrate	8	1.3	1.3
Ziprasidone	9	1.3	1.3
Trastuzumab	35	1.3	1.3
Bevacizumab	63	1.3	1.3
Diroximel Fumarate	6	1.3	1.3
Asfotase Alfa	5	1.3	1.3
Avapritinib	6	1.3	1.3
Durvalumab	10	1.2	1.2
Aprepitant	9	1.2	1.2
Sorafenib	10	1.2	1.2
Capecitabine	44	1.2	1.2
Nintedanib	15	1.2	1.2
Crizotinib	6	1.2	1.2
Ranitidine	93	1.2	1.2
Vedolizumab	40	1.2	1.2
Teriflunomide	21	1.2	1.2
Tenofovir Disoproxil Fumarate Tablets	4	1.2	1.2
Brinzolamide	4	1.2	1.2
Lacosamide	17	1.2	1.2
Bendamustine Hcl	7	1.1	1.1
Niraparib	10	1.1	1.1
Somatropin	33	1.1	1.1
Testosterone Cypionate	4	1.1	1.1
Romosozumab-Aqqg	6	1.1	1.1
Eculizumab	24	1.1	1.1
Bosentan	21	1.1	1.1
Tobramycin	10	1.1	1.1
Dasatinib	15	1.0	1.0
Cabozantinib	19	1.0	1.0
Suvorexant	5	1.0	1.0
Aflibercept	12	1.0	1.0
Temozolomide	8	1.0	1.0
Loratadine And Pseudoephedrine Sulfate	3	1.0	1.0
Ribavirin	24	0.9	0.9
Faricimab	3	0.9	0.9
Varenicline Tartrate	29	0.9	0.9
Siponimod	3	0.9	0.9
Lenvatinib	11	0.9	0.9
Olaparib	7	0.8	0.8
Lurasidone Hydrochloride	7	0.8	0.8
Icodextrin, Sodium Chloride, Sodium Lactate, Calcium Chloride, Magnesium Chloride	10	0.8	0.8
Nemolizumab-Ilto	4	0.8	0.8
Peginterferon Alfa-2A	17	0.8	0.8
Dalfampridine	22	0.8	0.8
Pazopanib Hydrochloride	8	0.8	0.8
Guselkumab	10	0.7	0.7
Voxelotor	6	0.7	0.7
Natalizumab	48	0.7	0.7
Fremanezumab-Vfrm	3	0.7	0.7
Sacubitril And Valsartan	30	0.7	0.7
Dimethyl Fumarate	31	0.6	0.6
Osimertinib	8	0.6	0.6
Brexpiprazole	4	0.6	0.6
Ixekizumab	8	0.5	0.5
Galcanezumab-Gnlm	6	0.5	0.5
Etonogestrel	6	0.3	0.3
Copper	4	0.2	0.2
Salicylic Acid	3	0.1	0.1

Related reactions

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