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.
Lip swelling is the enlargement or distention of one or both lips due to fluid buildup or inflammation within the lip tissue. Lip swelling may also be referred to as lip edema. A variety of mild to serious disorders, diseases and conditions can lead to lip swelling. Swelling can result from infections, inflammation, trauma or malignancy (cancer).