Rare reports of immediate hypersensitivity reactions. Signs or symptoms of severe bacterial infection (eg, fever, persistent severe unilateral facial/tooth pain, orbital or periorbital facial swelling, or worsening of symptoms after an initial improvement). Caution in patients w/ active or quiescent tuberculous infection of resp tract, or in untreated fungal, bacterial, systemic viral infections or ocular herpes simplex. Examine patients periodically for possible changes in nasal mucosa, including development of nasal ulcerations if used over several mth or longer. Discontinue or require appropriate treatment if localized fungal infection of nose or pharynx develops. Risk of infections (eg, chickenpox, measles) in patients who are potentially immunosuppressed. Risk of visual disturbances. Do not use in patients w/ recent nasal surgery or trauma until healing has occurred. Very rare reports of nasal septum perforation or increased IOP; anaphylaxis & angioedema; disturbance of taste & smell. Pregnancy & lactation. Safety & efficacy for treatment of symptoms of rhinosinusitis in childn <12 yr, & for treatment of nasal polyposis in childn & adolescents <18 yr have not been studied.