Effects of Continuous Airway Pressure on the Ability to Heat and Humidify Air

Exclusion Criteria

• •1. Physical sign or symptoms suggestive of renal, hepatic or cardiovascular disease.
• •2. Women of childbearing potential who are pregnant, trying to become pregnant or nursing a child.
• •3. Subjects treated with systemic steroids during the previous 30 days.
• •4. Subjects treated with topical (inhaled, intranasal or intraocular) steroids, Nasalcrom or Opticrom during the previous 15 days.
• •5. Subjects treated with oral antihistamine/decongestants during the previous seven days.
• •6. Subjects treated with topical (intranasal or intraocular) antihistamine/decongestants during the previous 3 days.
• •7. Subjects treated with immunotherapy.
• •8. Subjects on chronic anti-asthma medications.
• •9. Subjects with polyps in the nose or a significantly displaced septum.
• •10. Subjects who have incurred an upper respiratory tract infection within 14 days of the start of the study.