Perennial symptoms occur throughout the year and may be related to dust mites or animal dander. Aggravating factors may include grass, dust, leaves, or animals. Historical data include family history of allergy, a personal history of atopy, age at onset of symptoms, and medication use. The examine eyes, ears, nose, throat, neck, and lungs should be examined. Nasal mucosa will appear pale and boggy, with serous secretions, and edematous turbinates.
Ocular examination reveals injection of the bulbar conjunctiva, accompanied by a clear discharge.
A deviated septum, foreign body or tumor suggest alternate diagnoses. Blood pressure should be recorded, because the medications used to treat may cause hypertension. Treatment Environmental Modification Avoidance of allergens that precipitate symptoms is the first step in management. Symptoms during times of high humidity implicates dust mites or mold spores as causative agents. Killing of dust mites with acaricides is effective.