Reaction

Vitamin B12 Increased reporting signals

Last recalculated 2026-09-14T18:28:35.993900+00:00 · 781 reports · 20 co-occurring drugs

As of the last recalculation, Vitamin B12 Increased appears in 781 FAERS reports alongside 20 co-occurring drug terms. The strongest observed disproportionality signal is METHYLPREDNISOLONE ACETATE (PRR 82.4).

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.
DrugCo-reportsPRRROR
Methylprednisolone Acetate2482.482.6
Esomeprazole Magnesium Capsule, Delayed Release3363.263.4
Esomeprazole Magnesium Delayed Release Capsules3363.263.4
Esomeprazole Magnesium Dihydrate3363.063.1
Diphenhydramine Hydrochloride Capsule, Liquid Filled4052.552.6
Vitamin E5348.148.2
Cetirizine Hydrochloride Allergy4542.042.0
Cetirizine Hydrochloride Tablets4542.042.0
Asfotase Alfa1129.729.7
Duloxetine5623.023.0
Tapentadol Hydrochloride2722.222.3
Aripiprazole Oral3120.820.8
Aripiprazole Orally Disintegrating3120.820.8
Cetirizine5520.220.3
Cetiirizine2918.918.9
Ivacaftor516.916.9
Dalfampridine4316.816.9
Vibegron310.010.0
Methoxy Polyethylene Glycol-Epoetin Beta49.79.7
Dornase Alfa56.86.8

Related reactions

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