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A 33-year-old male asked:

What is the definition or description of: vitamin b12 overdose?

1 doctor answer1 doctor weighed in
Dr. Heidi Fowler
Psychiatry 25 years experience
Vitamin B12 overdose: An overdose occurs when an excessive / dangerous dose of a drug / substance is used. Toxicity would be unlikely with Vitamin B12. Adverse effects from Vit B 12 injections may include: "diarrhea, nausea, headaches, & joint pain" REF: http://www.vitamins-and-health-facts.com/vitamin-b12-cobalamin-facts-benefits-overdose-deficiency-symptoms.html

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A 33-year-old member asked:

What is the treatment for vitamin B12 overdose?

2 doctor answers2 doctors weighed in
Dr. Kelty Baker
Hematology 28 years experience
Vitamin B12 overdose: Too much vitamin B12 can cause mild diarrhea, skin rashes, hives, breathing problems, heart palpitations, panic attacks, and insomnia. The symptoms typically disappear within a few hours, as the excess B12 is flushed from the system, so no specific treatment is required.
Oakland Gardens, NY
A 26-year-old male asked:

Can you overdose on vitamin b12?

2 doctor answers7 doctors weighed in
Dr. Dariush Saghafi
Neurology 33 years experience
Virtually nontoxic: At any dose. I do not believe that you will find very much written on the toxic effects of B12 although I have had a couple of patients who took something on the order of 10x what I had prescribed them was already in the 10,000IU range so they were taking about 100,000IU daily for several weeks and the patient developed diarrhea. When he stopped that resident, within several days diarrhea stopped
Dr. Eric Weisman
Neurology 36 years experience
Excessive B12 use can also cause damage to the wallet.
Sep 29, 2014

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Last updated Sep 7, 2017
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