The Upper West Side is primarily residential, with 209,000 people / 1.9 square miles, meaning about 110,000 people per square mile / 42,500 per square kilometer. The most densely populated city in the world.
Likey allergic rxn: Allergic reaction to a number of things could cause swollen lips with associated itchy (sic). Angioedema can cause swollen lips. Important to note if localized to one area or involves the upper and lower lips diffusely. ...Read more.
Dr. Wayne Anderson Dr. Anderson. Not sure: In general, swelling of a body part is NOT a neurological syndrome. There are few conditions like CRPS that are neurological and can cause swelling. A sudden swollen upper lip may have non-neurological causes like allergy, acute reaction, or other. You should have it checked out just to be sure.