When the filters do not work properly, allergens may be released into the air, causing typical
allergy symptoms, such as watery eyes, runny nose, and wheezing. Wash shower curtains, bathroom tiles, and grout regularly and use a dehumidifier in your house.
You can use OTC antihistaminic like benadryl, zyrtec.Nasal decongestants and corticosteroids are also useful. If there is any difficulty in breathing then bronchodilators can be used. In severe cases, Immunotherapy is advised.