Dry and sometimes productive cough for more than 2 months, started after a viral in december. cough lot more when outdoors. no other symptoms. reason?

Cough: After viral illnesses there can be inflammation in the lung. This can be associated with a prolonged cough and worsening of underlying asthma. If the air is cold this can cause reactivity of the airway and cause cough in some individuals. Allergic patients with asthma can worsen when 1 or more triggering factors such as a viral illness and cold air combine. Prmg fax 858 259 9689 for rev of record.