I have a itchy rash which started after a body wrap. It started on my thighs and now has spread to my legs, lower back and arms. It's been 3 weeks.?

See your doctor. You have huge rash and it is spreading, you should see your doctor or a dermatologist asap to find the diagnosis and proper treatment as it has been there for three weeks.

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I have a itchy rash for 3wks that I got from a body wrap. It started on my thighs and now has spread to my legs, lower back, and arms. Please help.

Use steroid cream. It seems you have an acute case of contact dermatitis and may need to see your doctor asap as it is spreading meanwhile take over the counter Benadryl (diphenhydramine) to control the itching and use 1%hydrocortisone cream locally till you see your doctor you may need stronger steroid cream and/or oral or injecteble steroids. Read more...