Hello, I have a 3 month old baby.she has some blisters on her hand and feet,not itchy .her doctor says that it is because of insect bites attack and gives medicine for it. What kind of insect cause blisters like bumps? And I always properly covered her hand and feet,but this blisters again comes in other positions of hand,like spreading. Why such happens? Any remedy to get rid off insects from home? Pls reply