A member asked:

I feel fine when i take 1500 mcg methylcobalmin/day orally.as soon as i stop,i face psychosis and depression.what is the reason.?

A doctor has provided 1 answer
Dr. Marsha Davis answered

Specializes in Internal Medicine

Not sure: You need a full evaluation. You should not need that much B12. Also your psychosis and depression needs evaluation by a psychiatrist even if you are fine without meds.

Answered 6/27/2014

3.9k views

Thank

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