Question:
I went camping over the weekend and got a little sun. Later in the day
I stood in the cold river while I was fishing. By that night I had a
rash that was dark red and almost looked bruised. It itches but is
smooth to the touch. I have had every kind of poison oak, ivy, etc,
and this is nothing like them. Someone told me it was probably sun
poisoning but it is not bumpy. The sunburn itself faded to tan by the
next day but the rash did not. Please help. PS :( I was also walking
in the woods that same day. Spotchy

Answer:
It sounds like you have a case of swimmer's itch. Whether you do or
don't, a good home remedy to try would be to take Benedryl (or another
antihistamine) as directed. Use Calomine lotion on the itchy areas.
Add a few tablespoons of baking soda to a shallow bath and soak the
areas in it. If this rash of yours lasts longer than two weeks (or if
you have worsening symptoms) you should see your doctor at that point.