Analysis of illness: Hello, local redness, blisters and itching occurred after sticking plaster, so consider allergic to plaster; First of all, the plaster should be torn off in time to remove allergens, and at the same time, the affected area should be washed repeatedly with normal saline, and the symptoms will gradually disappear after appropriate oral administration of chlorpheniramine, vitamin C, prednisone tablets and other antiallergic drugs.
Suggestion: It is recommended to have a good rest and avoid strenuous activities and sun exposure. Eat less spicy fried food and more fruits and vegetables. I wish you a speedy recovery!