Arm was sunburned hot and painful mainly related to sunburn (i.e. solar dermatitis) and other factors, you can take oral and topical medications, general care to alleviate the symptoms.
1. sunburn that is solar dermatitis, sunburn pain can be exacerbated externally with glycerite lotion for treatment, such as pain is more pronounced, you can give the appropriate local cold wet compresses such as 3% of the boric acid lotion, or saline, etc.; can also be taken orally antihistamines such as ibuprofen hydrochloride capsules, orotidine hydrochloride tablets.
2. After being sunburned also need to strengthen the sunscreen, go out wearing loose brimmed hats, wear long clothes or umbrellas, apply sunscreen and other appropriate care.
The arm was sunburned hot pain may have other factors, it is recommended to go to the hospital to check, follow the doctor’s instructions for related treatment, in addition to the above drugs are recommended to take under the guidance of a doctor, can not be used on their own.