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A 25-year-old male asked:

Told to take b1 b6 and b12 by doctor. after 1 dose, 8 hours later got rash. i have peanut/tree nut allergy. safe to take if not on ingredient bottle?

1 doctor answer • 1 doctor weighed in
Dr. John Chiu
Dr. John Chiuanswered
Allergy and Immunology 59 years experience
B1: Flushing is a common side effect from vitamin B1- also known as thiamine. The effect tends to decrease with time. However, if B1 is absolutely needed, you may try a lower dose first then gradually work the dose up.
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Last updated Jun 26, 2014

Found in:

Rash›Allergies›Vitamin b12

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