Allergy after contact with mica gel may be contact dermatitis, the first step is to remove the allergen, medication can be used to alleviate the symptoms. 1. Remove the allergen: first of all, stop contact with the mica gel, and use a lot of water to rinse the hand residual gel. And record the material related to the substance, avoid contact with similar materials. 2. Medication: Itching is obvious can be local topical glycerite lotion and topical hydrocortisone cream and other glucocorticoid cream. Oral antihistamines such as chlorpheniramine maleate and loratadine can also be taken. Oral glucocorticoid therapy is required in severe cases. Avoid using the above drugs on your own to avoid adverse reactions, and it is recommended to use them under the guidance of a doctor. If the patient’s allergic symptoms are severe, or the symptoms persist without improvement, it is recommended to go to the hospital in time for treatment.