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If your high B12 is from supplements or injections, stopping or reducing the dose will allow levels to return to normal over weeks to months
I had 2 doses of Methylcobalamin (1 week apart) and I havent had a proper sleep after the second shot
A 5mg dose is 50 units
Antimalarial Drugs Drugs such as quinine, chloroquine, and hydroxychloroquine (Plaquenil), used to treat malaria and autoimmune diseases, can cause you to develop tinnitus and hearing loss
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