Dear Doctors: I do a lot of hiking and camping, and when there is terrain that is rough, a lot of times I’ll get a blister. How do you take care of that – are you supposed to pop it and drain it, or do you just cover it up? I’ve heard it’s easy for a blister to get infected, and I want to avoid that.
Dear Reader: A blister is a fluid-filled sac that forms within the outermost layers of the skin. It…