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Betamethasone dipropionate 0.05% ointment or cream for unblistered severe cases (early) bd for the first 2–3 days or
Bicarbonate of soda paste, applied 2 hrly or
Oily calamine lotion
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Avoid exposure to summer sunlight 10 am–3 pm (or 11 am–4 pm DST). Use natural shade, beware of reflected light from sand or water and light cloud. Use a sunscreen with a min. of SPF 50. Wear broad-brimmed hats and protective clothing.