can you drink alcohol while on b12 injections why should avoid after injection you alcohol after vitamin b12 injection B12 Shots vs. IV Infusions:

If you are experiencing chronic stress, anxiety, or poor sleep, your body may respond with chronic excessive sweating

Any other meds/supplements you took or are taking besides the one for sleep issues

Subcutaneous administration achieves 7085% bioavailability compared to 4050% for oral routes due to hepatic first-pass metabolism

Persons taking most antibiotics, methotrexate and pyrimethamine invalidate folic acid and Vitamin B12 diagnostic blood assays

During a subcutaneous injection, a short needle is used to inject a drug into the fatty tissue layer between the skin and the muscle, usually in specific areas of the thigh, arm, and abdomen

Mayo Clinic (2023)