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.
Angioedema is caused by an allergic reaction to something you've eaten, an insect bite, pollen allergies, or a medication you've taken. 1  It causes a swelling of the lips, face, and tongue, which usually occurs rapidly. It can also sometimes be accompanied by redness or bumps (hives). Due to the swelling, you may have difficulty talking. Angioedema can also cause swelling of the airway and difficulty breathing, which may be life-threatening.
An allergic reaction to oysters or other shellfish could cause puffy lips. Exposure to common allergens may cause the lips to become itchy or puffy, in addition to other symptoms. Environmental allergies may cause runny noses and puffy lips. An infection can cause lips to swell and become puffy. Some people suffer from allergies that are triggered by pet dander. An allergic reaction to toothpaste may cause puffy lips.