SUnderlying infection.Previous episodes of sun poisoning.Metabolic disorders, such as diabetes mellitus or thyroid disease.PREVENTING COMPLICATIONS OR RECURRENCEIf there is a history of sun poisoning, stay out of the sun when possible.Allow one week for recovery.Use a sunscreen product that contains Parsol 1789 and says UVA. Or physical sunscreens containing titanium dioxide. An antihistamine like chlortrimeton 4 mg or diphenhydramine 25 can help as well.TREATMENTStay out of the sun during the hours of strongest ultraviolet light (10am-2pm).If not possible to stay out of the sun, wear protective clothing and the most protective sun-screen preparation available.MEDICATIONBeta-carotene to reduce discomfort.To prevent a recurrence of symptoms, use Chloroquine prior to sun exposure.Pre-treatment of Benadryl.SOME SUN TIPS YOU SHOULD FOLLOWOn other paper....