Drug | Vitamin |
---|---|
Alcohol | Folate Thiamin Vitamin B6 |
Antacids | Vitamin B12 |
Antibiotics, such as isoniazid, tetracycline, and trimethoprim-sulfamethoxazole | B vitamins Folate Vitamin K |
Anticoagulants, such as warfarin | Vitamin E Vitamin K |
Antiseizure drugs, such as phenytoin and phenobarbital | Biotin Folate Vitamin B6 Vitamin D Vitamin K |
Antipsychotic drugs | Riboflavin Vitamin D |
Barbiturates such as phenobarbital | Folate Riboflavin Vitamin D |
Chemotherapy drugs, such as methotrexate | Folate |
Cholestyramine | Vitamin A Vitamin D Vitamin E Vitamin K |
Corticosteroids | Vitamin C Vitamin D |
Cycloserine | Vitamin B6 |
Hydralazine | Vitamin B6 |
Levodopa | Vitamin B6 |
Mineral oil (long-term use) | Vitamin A Vitamin D Vitamin E Vitamin K |
Metformin | Folate Vitamin B12 |
Nitrous oxide (repeated exposure) | Vitamin B12 |
Oral contraceptives | Folate Thiamin Vitamin B6 |
Penicillamine | Vitamin B6 |
Phenothiazines | Riboflavin |
Primidone | Folate Vitamin D |
Rifampin | Vitamin D Vitamin K |
Thiazide diuretics | Riboflavin |
Triamterene | Folate |
Tricyclic antidepressants, such as amitriptyline and imipramine | Riboflavin |