best place to inject b12 vitamin Store How Give an Intramuscular Injection of Vitamin B12 B12 vitamin Store A Retired
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Monitor for the desired therapeutic response to vitamin B12

Watch the site for excess redness, swelling, or signs of infection
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Heres how specific conditions can impact the use of B12 shots: Heart Disease: While B12 is essential for overall health, excessive amounts of vitamin B12 in the body may sometimes cause an increase in certain heart disease risk markers, particularly for individuals with pre-existing cardiovascular conditions

Rarely, hypersensitivity reactions can occur, for instance, urticaria (hives) or other allergic-type reactions have been reported in isolated cases