Hi, I live in Hawaii. We just recently took a twelve day trip to Wyo & Montana where it was very cold and dry. On the last day there I woke up with a rash patch on my lower back, right side. I could feel it, but not see it, my husband said the skin was red & puckered. We had a very long trip back returning home after about 24hrs of flying, driving, and waiting in airports. When I got home I noticed that the rash had spread all over my right leg. The worst spot was behind my knee . a cluster of blisters bright red to purplish in color. They have not spread to any other part of my body, although more spots have appeared on my right leg. I am 52 yrs old, female. The leg in question had been bothering me all through the trip, soreness in the knee and hip area. I was rubbing it a lot on the long flight home trying to work out the soreness. I have been home for about 40 hrs now
Hi, thanks for posting your query. You seem to have developed allergic contact dermatitis. It can be due to anything you came in contact with, may be a plant, or any other thing else. You seem to have been rubbing due to itching. Actually rubbing initiates a scratch itch cycle which increases the itching. So now you may take oral anti histamine like Ben Chat Doctor.  You may apply calamine lotion over the rash. If it does not settle or increases and spreads in a day or two you may consult a dermatologist for exact diagnosis and treatment. Hope this helps you. Wish you a speedy recovery.