It is common for lips to swell upon waking if you have consumed large amounts of salt the prior night. This causes the body to retain fluid, which may also cause swelling in the eyelids and the lips. Additionally, this may also be caused by disorders with chemicals that decrease swelling,...
A physician has to administer this and it’s used as a last resort due to the side effects. While rare, they can be frightening. Some patients have experienced fainting or a light-headed feeling, flushing and tingling in the body, blue lips, pink urine, shallow or slowed breathing (or s...