Reaction

Thrombocytosis reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 3,604 reports · 134 co-occurring drugs

As of the last recalculation, Thrombocytosis appears in 3,604 FAERS reports alongside 134 co-occurring drug terms. The strongest observed disproportionality signal is ROMIPLOSTIM (PRR 138.3).

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
Romiplostim	328	138.3	141.4
Hydroxyurea	125	35.3	35.5
Baricitinib	43	26.1	26.2
Eltrombopag Olamine	100	25.7	25.8
Cenobamate	32	22.3	22.4
Fondaparinux Sodium	26	18.7	18.7
Imatinib	44	14.6	14.6
Valganciclovir Hydrochloride Powder,	28	13.4	13.4
Ruxolitinib	152	12.7	12.8
Nilotinib	62	12.3	12.4
Gemcitabine Hydrochloride	109	12.2	12.2
Piperacillin And Tazobactam	24	10.9	10.9
Gemcitabine	72	10.8	10.8
Valganciclovir	30	9.3	9.3
Valganciclovir Hydrochloride	30	9.3	9.3
Misoprostol	15	8.9	8.9
Tofacitinib Citrate	20	8.9	8.9
Felodipine Extended-Release Tablets	17	8.7	8.7
Felodipine	17	8.7	8.7
Clozapine	175	8.4	8.4
Basiliximab	17	8.4	8.4
Adalimumab-Fkjp	66	8.4	8.4
Adalimumab-Aaty	67	8.3	8.3
Piperacillin Sodium And Tazobactam Sodium	27	8.0	8.0
Testosterone	32	8.0	8.0
Colchicine	36	8.0	8.0
Piperacillin Sodium,Tazobactam Sodium	36	7.9	7.9
Anakinra	22	7.7	7.7
Enoxaparin Sodium	75	7.7	7.7
Clobazam	32	7.6	7.6
Azacitidine	38	7.5	7.5
Quinine	11	7.4	7.4
Adalimumab-Adaz	66	7.3	7.3
Indapamide	22	7.1	7.1
Meropenem	39	7.1	7.1
Naproxen Sodium Tablet, Coated	16	6.9	6.9
Naproxen Sodium, Coated Tablets	16	6.9	6.9
Naproxen Sodium 220Mg	16	6.8	6.8
Prednisolone Acetate	12	6.7	6.7
Risedronate Sodium	35	6.6	6.6
Tretinoin	9	6.4	6.4
Trimethoprim	13	6.4	6.4
Rifampicin	10	5.7	5.7
Zidovudine	13	5.6	5.6
Ampicillin	8	5.6	5.6
Ampicillin Sodium	8	5.6	5.6
Cefuroxime	11	5.6	5.6
Fosaprepitant Dimeglumine	13	5.5	5.5
Dalteparin Sodium	10	5.5	5.5
Lactulose	36	5.5	5.5
Midazolam Hydrochloride	25	5.4	5.4
Gentamicin	12	5.3	5.3
Midazolam	23	5.3	5.3
Lisinopril And Hydrochlorothiazide Tablets	7	5.2	5.2
Azacitidine For	16	5.1	5.1
Lisinopril And Hydrochlorothiazide	9	5.1	5.1
Erythropoietin	18	5.1	5.1
Lovastatin	22	5.0	5.0
Etonogestrel And Ethinyl Estradiol	19	5.0	5.0
Cisplatin	66	5.0	5.0
Diazepam Oral Solution (Concentrate)	75	4.9	5.0
Diazepam Oral	75	4.9	5.0
Norepinephrine	9	4.9	4.9
Ciprofloxacin Hydrochloride	80	4.8	4.8
Deferasirox	22	4.8	4.8
Pegaspargase	10	4.7	4.7
Mercaptopurine	14	4.7	4.7
Bosutinib	7	4.5	4.5
Linezolid	23	4.5	4.5
Cefazolin	7	4.4	4.4
Granisetron Hydrochloride	8	4.4	4.4
Gentamicin Sulfate	12	4.4	4.4
Epoetin Alfa	9	4.4	4.4
Amlodipine Besylate And Benazepril Hydrochloride	7	4.4	4.4
Ticagrelor	24	4.4	4.4
Insulin Glargine-Yfgn	16	4.2	4.2
Imatinib Mesylate	20	4.2	4.2
Lurasidone Hydrochloride	15	4.2	4.2
Voxelotor	16	4.1	4.1
Sulfasalazine	55	4.1	4.1
Carboplatin	87	4.0	4.0
Norepinephrine Bitartrate	10	4.0	4.0
Minocycline	8	4.0	4.0
Tranexamic Acid	6	3.9	3.9
Oxaliplatin	49	3.9	3.9
Pyrazinamide	6	3.7	3.7
Ceftriaxone Sodium	24	3.6	3.6
Mesna Injection	5	3.5	3.5
Remdesivir	8	3.5	3.5
Pancrelipase	23	3.5	3.5
Mesna	5	3.4	3.4
Micafungin Sodium	5	3.4	3.4
Paclitaxel	57	3.4	3.4
Bleomycin Sulfate	6	3.4	3.4
Selinexor	5	3.3	3.3
Granisetron	6	3.3	3.3
Letrozole Tablets	27	3.3	3.3
Levetiracetam In Sodium Chloride	43	3.2	3.2
Levetiracetam Oral	43	3.2	3.2
Levetiracetam Injection	43	3.2	3.2
Posaconazole	9	3.2	3.2
Aprepitant	10	3.1	3.1
Dasatinib	20	3.1	3.1
Dabrafenib	11	3.0	3.0
Erlotinib	5	3.0	3.0
Oseltamivir	4	2.9	2.9
Pemetrexed Disodium	19	2.9	2.9
Atezolizumab	19	2.8	2.8
Rivaroxaban	100	2.8	2.8
Erlotinib Hydrochloride	6	2.8	2.8
Pemetrexed	10	2.7	2.7
Ifosfamide	10	2.7	2.7
Fluorouracil Cream, 0.5%	35	2.7	2.7
Trametinib	11	2.6	2.6
Fluorouracil	35	2.6	2.6
Upadacitinib	36	2.6	2.6
Rocuronium Bromide	5	2.5	2.5
Polatuzumab Vedotin	4	2.4	2.4
Sunitinib Malate	16	2.4	2.4
Crizotinib	5	2.3	2.3
Methoxy Polyethylene Glycol-Epoetin Beta	4	2.1	2.1
Abatacept	49	2.1	2.1
Cetuximab	11	2.0	2.0
Lumacaftor And Ivacaftor	3	2.0	2.0
Pazopanib Hydrochloride	9	1.9	1.9
Acalabrutinib	4	1.9	1.9
Pegfilgrastim	32	1.9	1.9
Peginterferon Alfa-2A	17	1.8	1.8
Elvitegravir, Cobicistat, Emtricitabine, And Tenofovir Alafenamide	3	1.7	1.7
Durvalumab	6	1.7	1.7
Venetoclax	18	1.7	1.7
Tapentadol Hydrochloride	9	1.6	1.6
Palivizumab	4	1.5	1.5
Copper	4	0.5	0.5

Related reactions

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