Reaction

Mean Cell Haemoglobin Concentration Decreased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 1,642 reports · 51 co-occurring drugs

As of the last recalculation, Mean Cell Haemoglobin Concentration Decreased appears in 1,642 FAERS reports alongside 51 co-occurring drug terms. The strongest observed disproportionality signal is CLOZAPINE (PRR 50.5).

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
Clozapine	385	50.5	50.6
Alemtuzumab	73	50.0	50.2
Dimenhydrinate	36	43.8	43.9
Ado-Trastuzumab Emtansine	18	27.4	27.4
Entecavir	12	13.1	13.1
Methylprednisolone Sodium Succinate	45	12.6	12.6
Standardized Senna Concentrate	12	12.2	12.2
Candesartan	33	11.9	12.0
Rosuvastatin Calcium	26	11.9	11.9
Valproic Acid	29	11.9	11.9
Fesoterodine Fumarate	10	11.8	11.8
Terazosin Hydrochloride	8	11.5	11.5
Infliximab-Dyyb	26	11.4	11.5
Tiotropium Bromide Inhalation Spray	10	11.4	11.4
Aripiprazole Oral	36	11.3	11.3
Aripiprazole Orally Disintegrating	36	11.3	11.3
Calcitriol Capsules 0.25 Mcg	17	10.9	10.9
Calcitriol Capsules 0.5 Mcg	17	10.9	10.9
Bisacodyl Suppositories	11	10.8	10.9
Dalteparin Sodium	9	10.8	10.8
Biscodyl	11	10.7	10.8
Calcitriol	17	10.7	10.7
Lithium Carbonate	14	10.5	10.5
Ribociclib	25	10.2	10.2
Felodipine Extended-Release Tablets	9	10.1	10.1
Felodipine	9	10.1	10.1
Letrozole Tablets	37	10.0	10.0
Niraparib	17	9.8	9.8
Eculizumab	40	9.5	9.5
Nicotine Polacrilex Mini	11	9.3	9.4
Nicotine Polarilex	11	9.3	9.4
Methoxy Polyethylene Glycol-Epoetin Beta	8	9.2	9.2
Oxybutynin Chloride	6	8.7	8.7
Goserelin	9	8.5	8.5
Bosutinib	6	8.5	8.5
Letrozole	40	8.4	8.4
Instalax Polyethylene Glycol 3350	8	8.2	8.2
Polyethylene Glycol 400	8	8.0	8.0
Amphetamine	4	6.1	6.1
Desoximetasone	9	6.0	6.0
Tofacitinib Citrate	6	5.8	5.8
Insulin Degludec	10	5.4	5.4
Asfotase Alfa	4	5.1	5.1
Palbociclib	35	4.7	4.7
Ravulizumab	5	4.7	4.7
Nicotine Polacrilex	14	4.7	4.7
Fingolimod Hcl	30	4.5	4.5
Tolvaptan	5	4.4	4.4
Somatropin	23	4.0	4.0
Crizotinib	4	4.0	4.0
Pirfenidone	8	2.5	2.5

Related reactions

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