Sleeping a night with half swollen lips can be caused by a variety of reasons, generally considered allergic factors, infectious factors, mosquito bites, stomatological disorders and other causes.
1. Allergic factors: for example, the patient is allergic to a certain cosmetic, or in the bedtime oral intake of certain drugs, food and other allergic reactions can occur, can be manifested in the lip area of the swelling and so on.
2. Infectious factors: when the human lips are infected by bacteria (such as bacterial infection caused by lipitis), viruses (such as herpes simplex on the lips, etc.) and other pathogenic microbial infections, can lead to swelling of the lip area.
3. Mosquito bites: patients with mosquito bites can lead to swelling and itching of the lips.
4. Oral diseases: for example, patients suffering from apical periodontitis, periodontal abscess and other diseases, the inflammation of the infection can spread to the lips caused by the swelling of the lips.
Sleeping a night half swollen lips need to go to the hospital, by the physician according to the condition of the treatment, they can not randomly use drugs.