The patients comfort level, age, sex, physique, and health goals may also determine the injection location
Because B12 levels arent checked during routine blood work, a deficiency can go undetected for years, Dr
Plus, the symptoms of low B12 can be very subtle, or they may be confused for symptoms of other conditions
The shoulder Experienced doctors commonly administer B12 injections into the upper arm area by inserting the injection into the deltoid (shoulder) muscle
Post-injection skin inflammation and infections may occur due to unsanitary administration or a reaction to the medicine
Subcutaneous B12 Injection Sites Subcutaneous B12 injections are less common yet still effective in treating B12 deficiencies