question: HI, I have a dermatological question.  When exposed to sunlight, I get rashes on my hands that a itchy and look like tiny raised bumps.  This only happens in the summer.  On my face, I do not get the bumps/itchy rash but I do get a swollen tender nose.  I have used strong hydrocortizone (oral and topical) and antibiotics that havent really helped.I have tried using sun block, but it darkens my skin.  Please let me know what preventative measures I can take and if there is a remedy for this problem.  I am of south Asian decent.Thank you for your help.