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Important: This site presents data from the FDA Adverse Event Reporting System (FAERS). A report does not mean the drug caused the event. Full disclaimer.

All Drugs Associated with Vitamin b12 deficiency

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297 drugs have been associated with Vitamin b12 deficiency in FAERS reports.

Drug Reports Deaths Hosp. Life-Threat.
METFORMIN 504 1 293 20
ADALIMUMAB 148 0 62 2
OMEPRAZOLE 125 4 49 0
ESOMEPRAZOLE 111 0 19 20
PANTOPRAZOLE 107 0 54 8
METHOTREXATE 101 13 59 17
ASPIRIN 92 1 34 21
ETANERCEPT 82 0 12 14
CARBIDOPA\LEVODOPA 76 3 44 0
PREDNISONE 75 1 23 20
RITUXIMAB 71 8 16 28
USTEKINUMAB 57 0 20 0
DEXAMETHASONE 55 0 23 1
LENALIDOMIDE 53 0 12 3
VEDOLIZUMAB 50 0 19 0
FINGOLIMOD 49 0 14 0
ATORVASTATIN 48 0 31 2
PREGABALIN 48 0 4 20
SODIUM OXYBATE 47 0 7 0
ALENDRONATE 45 8 43 0
DULOXETINE 45 0 3 19
LEVOTHYROXINE 45 2 20 1
CETIRIZINE 44 0 2 20
NITROUS 44 0 28 2
DIPHENHYDRAMINE 43 0 1 20
INFLIXIMAB 43 0 24 0
MORPHINE 43 0 30 0
LANSOPRAZOLE 42 0 12 0
FOLIC ACID 41 0 10 0
INSULIN GLARGINE 41 0 33 0
DOMPERIDONE 40 1 0 0
ACETAMINOPHEN\CODEINE 39 0 1 0
ONDANSETRON 38 0 11 2
CHOLECALCIFEROL 37 0 1 0
CLONAZEPAM 37 0 11 0
ESOMEPRAZOLE\NAPROXEN 37 0 1 20
ETORICOXIB 36 0 0 0
OMALIZUMAB 35 0 14 0
ACETAMINOPHEN 34 1 27 2
ESCITALOPRAM OXALATE 33 0 22 0
OCRELIZUMAB 33 1 7 0
CYANOCOBALAMIN 32 0 5 0
HYDROMORPHONE 32 0 21 0
PAROXETINE 32 0 10 0
MAGNESIUM 31 0 11 2
ETHINYL ESTRADIOL\ETONOGESTREL 28 1 26 0
SACUBITRIL\VALSARTAN 28 1 22 2
RANITIDINE 27 0 1 0
SECUKINUMAB 27 1 5 0
APIXABAN 26 0 20 2
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