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.
Canker sores. One of the main causes of bumps around lips is canker sores. These are shallow, painful red or white tiny lip lumps that occur on the inside mouth linings. You might get them on the inside of your lips or the insides of your cheeks.