Drugs that Deplete: Vitamin B12 (Cobalamin)

Anti-inflammatory Medications

Inhalant, Systemic, and Topical Corticosteroids
  • Beclomethasone
  • Budesonide
  • Dexamethasone
  • Fluticasone
  • Hydrocortisone
  • Methylprednisolone
  • Mometasone Furoate
  • Prednisone
  • Triamcinolone

Antibiotic Medications

Aminoglycosides
  • Gentamicin
  • Neomycin
  • Tobramycin
Antibiotic Combination: Sulfa Drugs
  • Co-Trimoxazole
  • Trimethoprim
  • Trimethoprim-Sulfamethoxazole
Cephalosporins
  • Cefprozil
  • Cefuroxime
  • Loracarbef
Macrolides
  • Azithromycin
  • Clarithromycin
  • Erythromycin, systemic
Penicillin Derivatives
  • Amoxicillin
  • Amoxicillin and Clavulanate
  • Penicillin V Potassium
Quinolones
  • Cinoxacin
  • Ciprofloxacin
  • Enoxacin
  • Gatifloxacin
  • Levofloxacin
  • Lomefloxacin
  • Moxifloxacin
  • Nalidixic Acid
  • Norfloxacin
  • Ofloxacin
  • Sparfloxacin
  • Trovafloxacin
Tetracycline Derivatives
  • Doxycycline
  • Minocycline
  • Tetracycline

Anticonvulsant Medications

Barbiturates
  • Phenobarbital

Antidiabetic Medications

Biguanides
  • Metformin

Birth Control Medications

Monophasic, Biphasic, and Triphasic Preparations
  • Ethinyl Estradiol and Desogestrel
  • Ethinyl Estradiol and Levonorgestrel
  • Ethinyl Estradiol and Norethindrone
  • Ethinyl Estradiol and Norgestimate

Cardiovascular Medications

Electrolytes
  • Potassium Chloride

Cholesterol-Lowering Medications

Bile Acid Sequestrants
  • Cholestyramine
  • Colestipol

Gout Medications

Uricosuric Agents
  • Colchicine

Ulcer Medications

Histamine H2 Antagonists
  • Cimetidine
  • Famotidine
  • Nizatidine
  • Ranitidine Bismuth Citrate
  • Ranitidine Hydrochloride
Proton Pump Inhibitors (Gastric Acid Secretion Inhibitors)
  • Lansoprazole
  • Omeprazole

Version Info

  • Last reviewed on 11/9/2005

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