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What is the cause and remedy for red,itchy bumps on the body post any outdoor activity ?

Hi, every time I went to do outdoor activity such as trekking/hiking, snorkeling / swimming , I ended up getting this red itchy bumps usually with small yellow dot in the middle after a few days... It usually started with an light itchy feeling...then the spot where I felt itchy starting to have small dots around 1 days...then It gets really itchy (even when I m not scratching ) and the dots gets bigger into a red bumps ...around 2-3 days usually there s some yellow dot / eyes in the middle of the red bump...then on the 4th/5th day, usually some of the yellow dot popped... I lived in a tropical country, and I went to the doctor several times (general till dermatologist ), usually they ll give me some oral medicine along with some ointments...but I don t think they actually worked...most of the time the oral medicine is effective that is until the medicine is finished and the itch starts to show up again... nowadays, whenever I got these itches, I ll let them be for around 2-3 weeks and they ll get better, but I have to endure 2-3 weeks of itch and when they re gone, sometimes it still felt itchy but without the red bump all over (esp @ night) More information, I started to have this problem when I was in university after a camping event (before that I was fine when doing outdoor activity). I m asking because I just got back from a trip and I got these itches again which is really disturbing and the doctors here in Indonesia doesn t seems to be able to cure this condition I have. Is there anything I could do to prevent or to make these itchy red bumps disappear? Thanks
Asked On : Thu, 29 Mar 2012
Answers:  3 Views:  162
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Diseases and Conditions
Dermatologist 's  Response
Hi..dear ahh...,
Thanks for choosing HCM..,
I gone through Ur history..,
According to this you have...IRRITANT DERMATITIS..,
U are not completing the course..,
Follow up the case is very important..ok..,
So follow...
1) Tab...Allegra ( Fexofenadine) daily night times for 28 days..,
2) Apply Calamine lotion on the body......daily morning times..,
3) Tab..Ranitidine 150 mg daily before Break fast..,
ok..good luck..,
Answered: Wed, 4 Apr 2012
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General & Family Physician Dr. Veera Raghava Rao Buddha.'s  Response
Hi welcome to H.C.M.F. It is due to allergy to the dust of your place. when you in direct contact with the dust you are getting reaction. relieved by medicines. if scared of this do not go close to the dust. or consult allergy clinic. thank you.
Answered: Thu, 29 Mar 2012
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General & Family Physician Dr. Kamal Kishore Bandil's  Response
Answered: Mon, 2 Apr 2012
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