Typical findings due to allergic reactions to medications or foods that affect the lips include

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Swelling of the lips is the result of allergic reactions to medications,foods,or other allergens.Cheilosis is a disorder characterized by atrophic,irritated,and cracked skin at the outer corners of the mouth which may occur from a deficiency of riboflavin in the diet,poorly fitting dentures,and deficiencies of the immune system.Clusters of painful vesicles with serous fluid on the lips are findings related to herpes simplex I virus.These lesions are commonly called cold sores or fever blisters.Chapping or superficial cracking of the lips may be due to exposure to wind,sun,or a dry environment.

Typical Findings Due to Allergic Reactions to Medications or Foods