Drugs that Deplete Vitamin B9 (Folic Acid)

Antacids

• Sodium Bicarbonate

Anti-inflammatory Agents

  Nonsteroidal Anti-inflammatory Drugs

• Ibuprofen
• Indomethacin
• Naproxen

  Salicylic Acid Derivatives

• Aspirin
• Sulfasalazine

Antibiotics

  Miscellaneous

• Trimethoprim

  Sulfonamide Derivatives

• Sulfamethoxazole

Anticonvulsant Medications

  Barbiturates

• Phenobarbital

  Hydantoin

• Fosphenytoin
• Phenytoin

  Miscellaneous

• Carbamazepine

Cholesterol-Lowering Drugs

  Bile Acid Sequestrants

• Cholestyramine
• Colestipol

Diuretics

  Potassium-Sparing Diuretics

• Amiloride
• Hydrochlorothiazide and Triamterene
• Spironolactone
• Triamterene

Female Hormones

  Oral Contraceptives

• Ethinyl Estradiol and Desogestrel
• Ethinyl Estradiol and Ethynodiol Diacetate
• Ethinyl Estradiol and Levonorgestrel
• Ethinyl Estradiol and Norethindrone
• Ethinyl Estradiol and Norgestimate
• Ethinyl Estradiol and Norgestrel
• Mestranol and Norethindrone
• Mestranol and Norethynodrel

Ulcer Medications

  Histamine H-2 Antagonists

• Cimetidine
• Famotidine
• Nizatidine
• Ranitidine Bismuth Citrate
• Ranitidine Hydrochloride