My daughter is 5 years old..she has skin related issues like irritation,itching severely even for small fly bites also...mosquitos bite her only even there are 10 memebers ..if 1 mosquito is there in a room..that will bite her definitely..and then she gets big swells in the place of bites..she scratches it like anything upto blood spots..that will form to a wound..please tell me what is the treatment for it..