The sunburned patch on the neck is considered to be related to polymorphic sun rash, which needs to be avoided when going out, and can be treated by general treatment, topical medication, and oral medication.
Polymorphic sun rash is a delayed hypersensitivity reaction induced by sunlight, manifested as erythema, papules, blisters, etc. after sun exposure, which occurs in exposed areas such as the face, back of the neck, front of the neck, the back of the hand and the forearm extension.
1. General treatment: first of all, avoid sun exposure, through physical sunscreen such as the use of umbrellas, sun hats, etc. to block ultraviolet rays, or local topical shading agent.
2. Topical medication: Topical glucocorticoid drugs such as dieldrin ointment and dexamethasone cream, or calcium-modulated phosphatase inhibitors such as tacrolimus ointment.
3. Oral medication: hydroxychloroquine, niacinamide and other drugs can be taken orally, and in severe cases, oral glucocorticosteroids such as prednisone or immunosuppressants such as cyclosporine should be taken.
If the patient’s neck sun a small bumps, it is recommended to go to the hospital in a timely manner to find out the cause, and follow the doctor’s instructions for medication.