This is often due to a problem called otitis externa which is an irritation or infection of the ear canal. This is usually started by using shampoos and not drying the ears well afterwards. He will respond well to the right ear drops.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or personal harm you may suffer resulting from making use of this content.