A one-year-old baby with a runny nose for a month may be caused by recurrent colds, allergic rhinitis, sinusitis and other disease causes.
1. Repeated colds: colds are also called acute rhinitis. Due to the baby’s age, the immunity is relatively poor, the respiratory mucosal barrier is weak, it is easy to be attacked by external pathogens and the occurrence of colds, clinically manifested as runny nose, sneezing and other symptoms. If the cold is repeated within a month, it can lead to a runny nose for more than a month.
2. Allergic rhinitis: babies in contact with allergens, resulting in an increase in the local nasal mucosal exudate, can show long-term runny nose, sneezing, rubbing the nose and other symptoms. This kind of baby mostly has allergic body, may have food allergy, eczema and other medical history.
3. Sinusitis: This disease is an inflammation of the mucous membrane of the sinuses, the baby can mainly manifest as a runny nose, nasal congestion, headache and so on.
One year old baby runny nose for a month, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.