The American Academy of Dermatology (AAD) recommends treating mild
sunburn with cool baths, over-the-counter hydrocortisone creams, and aspirin to ease pain and swelling.
Severe sunburn should be treated as a medical emergency and examined by a doctor right away. Severe sunburn is often characterized by a large area of red, blistered skin with a headache, fever, or chills. '
A dermatologist or plastic surgeon can develop a treatment plan based on your needs.