Some more severe, but rare, side effects that can occur are low potassium levels, muscle cramps, irregular heartbeat, chest pains, or blurred vision
A special pad will be placed on your back and you will lie on a comfortable table where a paper transfer will be used to place a grid on the areas of your face to be treated
Check the label on your vial: it lists exactly whats inside
Medical Tests: Your doctor may order frequent medical tests to monitor your blood count, potassium levels, and vitamin B12 levels, assessing the effectiveness of the treatment
If you have one of those conditions, getting B12 injections can prevent a deficiency before it starts
The NHS notes pain and itching at the injection site as common and self-limiting