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.
There are many different reasons why a person might have lip twitching that can include: 1  Irritation of the facial nerve due to trauma or injury. 2  Stimulation of the nerve endings that is present in the muscles of your lips. 3  Withdrawal from alcohol, drugs, or cigarettes.