Drug Side Effects

Vitamin B12 [EPC]

317477 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 MULTIVITAMIN FOLIC ACID VITAMIN A, VITAMIN C, VITAMIN D, VITAMIN E, THIAMINE, RIBOFLAVIN, NIACIN, VITAMIN B6, FOLIC ACID, VITAMIN B12, CALCIUM, IRON, ZINC, COPPER PRENATAL WITH FERROUS FUMARATE AND FOLIC ACID SODIUM FLUORIDE, VITAMIN A ACETATE, SODIUM ASCORBATE, CHOLECALCIFEROL, .ALPHA.-TOCOPHEROL, D-, THIAMINE HYDROCHLORIDE, RIBOFLAVIN, NIACINAMIDE, PYRIDOXINE HYDROCHLORIDE, LEVOMEFOLATE CALCIUM, AND CYANOCOBALAMIN 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 ASCORBIC ACID, CHOLECALCIFEROL, .ALPHA.-TOCOPHEROL ACETATE, DL-, FOLIC ACID, PYRIDOXINE HYDROCHLORIDE, CYANOCOBALAMIN, BIOTIN, CALCIUM CARBONATE, FERROUS FUMARATE, MAGNESIUM OXIDE, LACTIC ACID AND DOCONEXENT VITAMIN A, ASCORBIC ACID, CHOLECALCIFEROL, ALPHA-TOCOPHEROL ACETATE, THIAMINE HYDROCHLORIDE, RIBOFLAVIN 5-PHOSPHATE SODIUM, CYANOCOBALAMIN, NIACINAMIDE, PYRIDOXINE HYDROCHLORIDE AND SODIUM FLUORIDE

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

# Side effect Count
0 FATIGUE 29609
1 DRUG INEFFECTIVE 29381
2 PAIN 26738
3 ARTHRALGIA 22392
4 NAUSEA 20990
5 OFF LABEL USE 20406
6 HEADACHE 18738
7 DIARRHOEA 18644
8 RHEUMATOID ARTHRITIS 18340
9 DYSPNOEA 16985
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 ANTI-CYCLIC CITRULLINATED PEPTIDE ANTIBODY POSITIVE 5514 0.8083
1 ANTI-CYCLIC CITRULLINATED PEPTIDE ANTIBODY 502 0.7676
2 SWOLLEN JOINT COUNT INCREASED 2242 0.7597
3 PEMPHIGUS 9048 0.7575
4 RHEUMATIC FEVER 3029 0.7313
5 DEEP VEIN THROMBOSIS POSTOPERATIVE 1307 0.7057
6 DUODENAL ULCER PERFORATION 4906 0.7011
7 LUPUS VULGARIS 735 0.6825
8 RHEUMATOID FACTOR POSITIVE 3777 0.6757
9 C-REACTIVE PROTEIN 564 0.6513
See all enriched reactions for Vitamin B12 [EPC]