Small granules on the lips from mango allergy may be contact dermatitis, which manifests itself as erythema and pimples on the local skin after mango consumption. The treatment of contact dermatitis includes: avoiding allergens, medication and so on. 1. Avoid allergens: Mango allergy is mainly a contact allergy, you need to stop eating mango, wash the mango stained skin, mouth, and avoid using mango and mango products again in the future to cause allergic discomfort. 2. medication: mango allergy may be manifested as a rash, itching, etc., you can use hormones such as mometasone furoate to play the role of anti-allergy, anti-itch, if the allergy is severe vesiculation, oozing, but also wet saline or boric acid, if the itching is intense, you can also take oral loratadine, cetirizine and other antihistamines to reduce the symptoms of allergy, avoid scratching the skin. It is recommended to consult a doctor in time and standardize the treatment. If severe allergic symptoms occur, such as laryngeal edema, anaphylaxis and other obvious discomfort, you need to immediately seek emergency medical treatment to avoid delaying the condition.