Nasal obstruction and acute sinusitis commonly occur during an upper respiratory tract infection or during an allergic episode. During this time flying should not take place until the condition has resolved. Completion of an antibiotic treatment is permitted if the symptoms have resolved.
The condition may persist and become chronic. It is sometimes ignored by the applicant who may not realise that their nasal function could be better.
An applicant with chronic sinusitis should be considered as having a condition that is of aeromedical significance unless:
