Do not use >3 doses in 24 hr. Not to be used continuously for >7 consecutive days. Prolonged use may lead to rebound nasal congestion & nasal mucosal damage (rhinitis medicamentosa). Patients w/ overactive thyroid gland (hyperthyroidism); glaucoma; DM; heart or circulatory disease; HTN. Pregnancy & lactation. Do not use in childn <12 yr.