Patients w/ untreated TB or bacterial, fungal & viral infection. History of increased ocular pressure, glaucoma &/or cataracts. Avoid contact w/ eyes. May cause nasal mucosa irritation & bronchospasm due to benzalkonium Cl content. May enhance dizziness or drowsiness w/ alcohol or other CNS depressants. Minor influence on ability to drive or use machines. Pregnancy & lactation. Not recommended for childn <6 yr. May cause slow growth in childn & adolescents w/ prolonged use.