can a b12 injection cause diarrhea Here's Why Vitamin B Rashes, Hives, and Flushing Vitamin B12 deficiency symptoms: Diarrhoea

Low-histamine diet principles involve avoiding or limiting: Aged, fermented, or processed foods : aged cheeses, cured meats, sauerkraut, soy sauce, vinegar Alcoholic beverages , particularly red wine and beer Certain fish : especially tinned, smoked, or not freshly prepared Leftover foods : histamine levels increase with storage time Histamine-releasing foods : citrus fruits, strawberries, tomatoes, spinach, chocolate DAO-inhibiting substances : alcohol and certain medications (discuss with your GP or pharmacist) Fresh foods are generally better tolerated

If you struggle to consume enough vitamin B-12 through diet, vitamin B-12 shots get easily absorbed into your bloodstream and are a great way to bump up the intake and minimize the risks associated with the deficiency.

The kidneys help get rid of extra B12

Side effects are rare but may include injection-site pain, tingling, or mild dizziness