Skin allergies after sticking plasters are usually contact dermatitis, which can be solved by stopping cold compresses, using topical medications, using oral medications and other methods. 1. Stop cold compresses: skin allergies after sticking plasters first stop using plasters, local cleaning can be used to reduce local redness, swelling, itching and other symptoms of cold compresses. 2. the use of topical drugs: cold compresses to wait until the lesions are dry and follow the doctor’s instructions to use anti-allergy, anti-inflammatory ointment coated with the affected area, such as mometasone furoate cream, halometasone cream, etc. for treatment. 3. Use of oral medication: For patients with severe itching, oral anti-allergy medication can also be considered, such as loratadine, cetirizine hydrochloride tablets, etc. to alleviate the symptoms. There are more ways to solve the contact dermatitis caused by allergy after the skin plaster, it is recommended to go to a regular hospital, consult a professional doctor, avoid blindly using drugs.