Seven months baby ear itchy, old scratching, need to be dealt with according to the specific causes, if caused by too much ear wax, you can give the baby to clean the ear canal, if caused by allergies, you can take oral medication under the guidance of the doctor. If the skin disease caused by, can be improved through the method of external medication, can play the effect of itching.1, clean up the ear canal: seven months baby if the earwax is too much, there may be itchy ears old scratching, parents can use cotton swabs to the baby to deal with it slightly, if the earwax is more, completely blocking the ear canal, need to go to the hospital in a timely manner to let the professional doctor to clean up, so as to avoid improper operation and damage to the baby’s ear canal;2, Oral medication: seven months baby ear itching, scratching, may be allergy triggered, there may also appear skin redness and swelling, you can take anti-allergy drugs under the guidance of a doctor for treatment, such as cetirizine hydrochloride oral solution, can play the effect of itching. If the baby hard scratching skin breakage, may also cause infection, you can take antibacterial drugs for treatment, such as amoxicillin particles, etc., can play a bactericidal role; 3, topical drugs: seven months baby ear itchy, scratching, may be caused by mosquito bites, you can use anemone or eau de cologne to stop the itching, if there are blisters, skin thickening of the symptoms, consider eczema, you can comply with the If there are blisters and skin thickening symptoms, eczema may be the cause, and you can follow the doctor’s instructions to apply trimixin cream for treatment.