can b12 injection cause spots Vitamin B12–induced acneiform eruption How to self-inject intramuscular vitamin

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Immediate post-injection care focuses on minimising local reactions: Apply a cold compress to the injection site for 1015 minutes to reduce pain and swelling Avoid massaging or rubbing the area, which can increase bruising Wear loose clothing that doesn't irritate the injection site Gentle movement of the affected limb may help reduce stiffness Hydration and nutrition support general wellbeing during treatment

In certain breeds of dogs, B12 deficiency can be genetically passed on especially in beagles, border collies, and giant schnauzers

It affects the hands and feet and can have an impact on many bodily processes

Most side effects are short-lived and stop when injections are reduced or discontinued

de Jong JMA, Sun W, Pires ND, Frontini A, Balaz M, Jespersen NZ, et al