Dear Doctors: We recently relocated for my husband's job. It's hotter here and a lot more humid than our previous home. All three of our children, including the baby, are suddenly dealing with heat rash. Why does that happen?
How can we help them avoid it?
Dear Reader: It has been a long, hot summer, and we suspect you are not alone in dealing with the unpleasant realities of heat rash. The conditio…