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Rash due to bug bites intensifies on sun exposure.

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I have had a rash for two weeks. It started after I was in Tennessee. I was at an adventure center with zip lines, ropes course, white water rafting. I was bit by a few bugs. The rash intensifies with sun exposure and the application of sun screen. It does not itch, is painless and burns very slightly with warm water. I would like to know what caused it and it's name. I may have had a similar leg rash in the past but not as intense looking.

Category: Dermatologist

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Category: Sexually Transmitted Diseases(STD)Specialist
 31 Doctors Online

Thanks for posting your query at

I have gone through the details and attached pics. It looks like contact irritant dermatitis that might occur due to insect or bug bite, exposure to any irritant( unclean water, chemicals, plants, soaps and detergent, any cream like a sunscreen too could act as an irritant and intensify rash).
Now to treat such cases, I usually prescribe a potent steroid cream like clobetasol or halobetasol cream mixed in calamine lotion twice in a day. Use a mild soap to clean the area like cetaphil cleanser .Do not apply any antibacterial solution like dettol or savlon. As sunscreen and sun exposure intensifies the rash, please avoid both of these till lesions resolve completely.
Hope this helped. Should there be any query,please write back.
Take care

Patient replied :

Dr. Pathak,
could this medicine be prescribed by you to a pharmacy in Hattiesburg, MS? If so, please prescribe to Sam's pharmacy on highway 98.
601.261.2171, this customer service no can transfer you to the pharmacy.
John Marcev, DOB 11.14.1964


Unfortunately we only provide email consultations are not allowed legally to prescribe via emails, or phones.
I can only advise you what medicines need to be taken.
Sorry for the inconvenience.

Dr. Kalpana Pathak
Category: Sexually Transmitted Diseases(STD)Specialist
M.D. from Pt. B D Sharma Postgraduate Institute of Medical Sciences, Rohtak in 2011 with Haryana State Dental & Medical Council
M.B.B.S from MLN medical college allahabad in 2006 with Uttar Pradesh Medical Council
Dr. Kalpana Pathak and 4 other Medical Specialists are ready to help you

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