can b12 injections cause upset stomach Why Do I Feel Worse After My Injection? Causes & Management – Bolt Pharmacy Vitamin B12 Side Effects Stomach:

each column is a target dose per injection

Still, it is worth being aware of the possibilities, especially if you have certain pre-existing conditions

Common and Mild B12 Injection Side Effects B12 injections are generally well tolerated, but like any procedure involving a needle, they can cause minor, temporary side effects

Until you locate a sharps container, you can set aside an empty glass or plastic bottle and properly label it to avoid confusion of it being thrown out as normal trash

[1] This discomfort is usually transient and can be minimized by using proper technique and allowing the solution to come to room temperature before injection