Initial summer exposure to bright midday sun should not exceed 30 minutes, even in people with a sallow complexion. They take about 30 minutes to bind to the skin, and therefore should be applied about 30 to 60 minutes before sun exposure so that wash-off from perspiration or swimming will be minimized. Opaque formulations such as zinc oxide are also very effective. These products must be applied regularly especially after swimming. Treatment Further exposure should be avoided until the acute reaction has subsided.
Topical corticosteroids are no more effective than cold water compresses in relieving symptoms.
Local anaesthetic lotions should be avoided as they can cause sensitizing reactions. It is also important to drink plenty of fluids.