Is it ever necessary to give vitamin B12 by injection

August 2011

Is it ever necessary to give vitamin B12 by injection?

Only rarely.

This is being brought up now by the recent shortage of injectable B12 (cyanocobalamin) due to manufacturing delays.

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Table of Contents

Antiplatelets Brilinta, a new antiplatelet drug
Hepatitis C two new protease inhibitors for hepatitis C, Incivek (telaprevir) and Victrelis (boceprevir)
Anticoagulants new ORAL anticoagulant called Xarelto (zuh-REL-toe)
Statins if statins increase the risk of diabetes
Men's Health Staxyn (STAX-in), a new orally disintegrating tablet version of vardenafil (Levitra)
Men's Health new warnings about the risk of prostate cancer with finasteride (Proscar, etc) or dutasteride (Avodart, etc)
Respiratory & Allergy which long-acting bronchodilator to use first-line for COPD
Pneumonia You wouldn't think IV dexamethasone would be a good idea for a patient hospitalized with community-acquired pneumonia (CAP)
Vitamins & Minerals Is it ever necessary to give vitamin B12 by injection
Psychiatry New VA guidelines for post-traumatic stress disorder
Sunscreens New rules for sunscreens
Smoking Cessation new warnings about Chantix and an increased risk of cardiac events in patients with heart disease