This is probably not a cold at all but rather a nasal allergy which is called allergic rhinitis. Please ask your paediatrician to test him for allergies and to treat him correctly. Do not give your son Rinex and Dimetapp for long periods.
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.