Drug Side Effects

Vitamin B12 [EPC]

271275 reported adverse events

Drugs of this class: CYANOCOBALAMIN FERROUS FUMARATE, FOLIC ACID .ALPHA.-TOCOPHEROL ACETATE, DL-, ASCORBIC ACID, CYANOCOBALAMIN, FOLIC ACID, NIACIN, PYRIDOXINE, RIBOFLAVIN, SODIUM FLUORIDE, THIAMINE MONONITRATE, VITAMIN A AND VITAMIN D FOLIC ACID ASCORBIC ACID, VITAMIN A PALMITATE, CHOLECALCIFEROL, THIAMINE HYDROCHLORIDE, RIBOFLAVIN-5 PHOSPHATE SODIUM, PYRIDOXINE HYDROCHLORIDE, NIACINAMIDE, DEXPANTHENOL, ALPHA-TOCOPHEROL ACETATE, VITAMIN K1, FOLIC ACID, BIOTIN, CYANOCOBALAMIN SODIUM FLUORIDE VITAMIN A ACETATE, .BETA.-CAROTENE, ASCORBIC ACID, CHOLECALCIFEROL, .ALPHA.-TOCOPHEROL, THIAMINE, RIBOFLAVIN, NIACINAMIDE, PYRIDOXINE, LEVOMEFOLATE GLUCOSAMINE, FOLIC ACID, CYANOCOBALAMIN, BIOTIN, ZINC GLUCONATE, CUPRIC OXIDE, AND SODIUM FLUORIDE VITAMIN A, VITAMIN C, VITAMIN D, VITAMIN E, THIAMINE, RIBOFLAVIN, NIACIN, VITAMIN B6, FOLIC ACID, VITAMIN B12, CALCIUM, IRON, ZINC, COPPER ASCORBIC ACID, CHOLECALCIFEROL, .ALPHA.-TOCOPHEROL ACETATE, DL-, FOLIC ACID, PYRIDOXINE HYDROCHLORIDE, CYANOCOBALAMIN, BIOTIN, CALCIUM CARBONATE, FERROUS FUMARATE, MAGNESIUM OXIDE, LACTIC ACID AND DOCONEXENT IRON, FOLIC ACID, CYANOCOBALAMIN, ASCORBIC ACID, AND DOCUSATE SODIUM MULTIVITAMIN

These side effects are most commonly reported by patients taking drugs of the Vitamin B12 [EPC] class:

# Side effect Count
0 DRUG INEFFECTIVE 24684
1 FATIGUE 23841
2 PAIN 21558
3 ARTHRALGIA 17885
4 NAUSEA 16803
5 HEADACHE 14762
6 DIARRHOEA 14554
7 RHEUMATOID ARTHRITIS 14229
8 OFF LABEL USE 13796
9 DYSPNOEA 13061
See all common reactions for Vitamin B12 [EPC]

Drugs of the Vitamin B12 [EPC] class are most commonly taken among patients reporting these side effects:

# Side effect Count Frequency
0 SWOLLEN JOINT COUNT INCREASED 901 0.8606
1 ANTI-CYCLIC CITRULLINATED PEPTIDE ANTIBODY POSITIVE 3221 0.8395
2 PEMPHIGUS 6283 0.7911
3 RHEUMATIC FEVER 1057 0.7376
4 DUODENAL ULCER PERFORATION 2300 0.6594
5 RHEUMATOID FACTOR POSITIVE 2171 0.6249
6 DEEP VEIN THROMBOSIS POSTOPERATIVE 262 0.5901
7 HAND DEFORMITY 4993 0.5629
8 HELICOBACTER INFECTION 2425 0.4059
9 SYNOVITIS 4912 0.3727
See all enriched reactions for Vitamin B12 [EPC]