Can you drink after a b12 shot?
Emma Martin
Updated on June 12, 2026
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Hereof, can you drink alcohol after b12 injection?
Avoid drinking large amounts of alcohol while you are being treated with Vitamin B12.
Also, can alcohol make b12 deficiency worse? A: Yes. Research shows that even moderate alcohol consumption may decrease vitamin B12 levels, and alcoholics are thought to be at risk of vitamin B12 deficiency.
Just so, how long after b12 shot feel better?
When injections first are administered, a patient with severe symptoms may receive five to seven during the first week to restore the body's reserves of this nutrient. A response usually is seen within 48 to 72 hours, with brisk production of new red blood cells.
Can a b12 shot make you sick?
Side Effects. Pain/redness at the injection site, mild diarrhea, itching, or a feeling of swelling all over the body may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly. This medication may cause low potassium levels in the blood (hypokalemia).
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