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.
The main origins of your swollen lips. 1  Allergic contact dermatitis (put simply, an allergic reaction). It can be caused by various irritants: from cosmetics of low quality to blossom dust. 2  Oral herpes and other disorders of same nature (chicken pox, measles etc.).