Sudden swelling of the lips is a common symptom of angioedema, an allergic reaction that is believed to be triggered by eating shellfish, exposure to animal dander and ingestion of certain medications, according to Medli... More »

Fast-acting treatments for a swollen upper lip include adrenaline injections to the affected area, antihistamines and anti-inflammatory medications such as corticosteroids, according to WebMD. Applying a cold compress to... More »

www.reference.com Health Conditions & Diseases Wounds & Bruises

Swollen lips, or lip edema, can be caused by an allergic reaction to certain medications, such as antibiotics, nonsteroidal anti-inflammatory drugs and antihypertensive drugs. Antibiotics that cause lip swelling include ... More »

Swollen lips, or lip edema, can be caused by an allergic reaction to certain medications, such as antibiotics, nonsteroidal anti-inflammatory drugs and antihypertensive drugs. Antibiotics that cause lip swelling include ... More »

Possible causes of lip swelling include mouth and lip trauma, allergic reactions to food or substances, angioedema, and infection, according to MedicineNet. Additionally, conditions that affect the entire body can cause ... More »

An allergic reaction, inflammation, an injury to the lip or a bacterial or viral infection can cause swollen lips in the morning, according to BootsWebMD. Individuals with an underlying medical condition or disease may a... More »

Blue lips are typically due to low blood oxygen levels that can be caused by blood clots, high altitude levels, cold exposure and lung conditions, according to MedlinePlus. Blue lips can also occur in individuals who hav... More »