Hi there. It is unlikely you would have either Pityriasis Rosae or psoriasis from your description. Both those are classically seen in the spring & winter months respectively. There could however be exceptions. It is more likely that you have some sort of photosensitive rash eg Polymorphic light eruption that can fit into your descrition. Photoprotection in the summer months prior to this eruption after due recommendation of a suitable sunscreen depending on your skin type & other factors by a qualified dermatologist will probably be all that is required. Add an emollient to the regime & an antihistamine like fexofenadine in a 180mg dose (non-sedative & safe to operate machinery or drive) & all will be well. It is easily sorted & not a major issue as you suspected. Cheers & do hope i have pointed you out in the right direction & please do accept the suggestions & would love a feedback & rating if time permits. Good nite & Good luck!
Dr Praveen Rodrigues MD Dermatologist, Cosmetologist XXXXXXX Hospital, Bangalore, India

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