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Table of Contents > Depletions > Ulcer Medications, Proton Pump ...

Ulcer Medications

Proton Pump Inhibitors (Gastric Acid Secretion Inhibitors)

Lansoprazole

(Prevacid®)
Omeprazole

(Prilosec™)

Depletions

Vitamin B12 (Cobalamin)

Symptoms of vitamin B₁₂ deficiency are rare because it takes years to develop complications associated with long-term depletion of this nutrient. Irritability, weakness, numbness, anemia, loss of appetite, headache, personality changes, and confusion are some of the signs and symptoms associated with vitamin B₁₂ depletion. Low levels of this vitamin may also be associated with an increased risk of colon cancer, heart disease, brain disorders, and birth defects.

Editorial Note

The selected depletions information presented here identifies some of the nutrients that may be depleted by certain medications. The signs and symptoms associated with nutrient deficiency may also indicate conditions other than nutrient deficiency. If you are experiencing any of the signs or symptoms mentioned, it does not necessarily mean that you are nutrient deficient. Nutrient depletion depends upon a number of factors, including your medical history, diet, and lifestyle as well as the length of time you have been taking the medication. Please consult your healthcare provider; he or she can best assess and address your individual healthcare needs, and determine if you are at risk for nutrient depletions from these medications as well as others not listed here.

Supporting Research

Ames BN. Micronutrient deficiencies: A major cause of DNA damage. Ann NY Acad Sci. 2000;889:87-106.

Bellou A, Aimone-Gastin I, De Korwin JD, et al. Cobalamin deficiency with megaloblastic anaemia in one patient under long-term omeprazole therapy. J Intern Med. 1996;240(3):161-164.

Berger W. Incidence of severe side effects during therapy with sulfonylureas and biguanides. Horm Metab Res Suppl. 1985;15:111-115.

Carpentier JL, Bury J, Luyckx A, Lefebvre P. Vitamin B12 and folic acid serum levels in diabetics under various therapeutic regimens. Diabetes Metab. 1976;2(4):187-190.

Covington T, ed. Nonprescription Drug Therapy Guiding Patient Self-Care. St Louis, MO: Facts and Comparisons; 1999:467-545.

Marcuard SP, Albernaz L, Khazanie PG. Omeprazole therapy causes malabsorption of cyanocobalamin. Ann Intern Med. 1994;120(3):211-215.

Saltzman JR, Kemp JA, Golner BB, et al. Effect of hypochlorhydria due to omeprazole treatment or atrophic gastritis on protein-bound vitamin B12 absorption. J Am Coll Nutr. 1994;13(6):584-591.

Termanini B, Gibril F, Sutliff VE, et al. Effect of long-term gastric acid suppressive therapy on serum vitamin B12 levels in patients with Zollinger-Ellison syndrome. Am J Med. 1998;104(5):422-430.

Review Date: October 2000

Reviewed By: All depletions monographs have been reviewed by a team of experts including Derrick M. DeSilva, Jr., MD, Raritan Bay Medical Center, Perth Amboy, NJ; Jacqueline A. Hart, MD, Department of Internal Medicine, Newton-Wellesley Hospital, Harvard University and Senior Medical Editor, A.D.A.M., Inc., Boston, MA; John Hinze, PharmD, NMD, Woodbine, IA; Ruth Marlin, MD, Medical Director and Director of Medical Education, Preventive Medicine Research Institute, Sausalito, CA; Brian T Sanderoff, PD, BS in Pharmacy, Clinical Assistant Professor, University of Maryland School of Pharmacy; President, Your Prescription for Health, Owings Mills, MD; Leonard Wisneski, MD, FACP, George Washington University, Rockville, MD; Ira Zunin, MD, MPH, MBA, President and Chairman, Hawaii State Consortium for Integrative Medicine, Honolulu, HI.

The publisher does not accept any responsibility for the accuracy of the information or the consequences arising from the application, use, or misuse of any of the information contained herein, including any injury and/or damage to any person or property as a matter of product liability, negligence, or otherwise. No warranty, expressed or implied, is made in regard to the contents of this material. No claims or endorsements are made for any drugs or compounds currently marketed or in investigative use. This material is not intended as a guide to self-medication. The reader is advised to discuss the information provided here with a doctor, pharmacist, nurse, or other authorized healthcare practitioner and to check product information (including package inserts) regarding dosage, precautions, warnings, interactions, and contraindications before administering any drug, herb, or supplement discussed herein.