Burning or dryness of the mucous membranes of the nasal cavity, dryness of the mucous membranes of the mouth and throat; sneezing; increase in the amount of secretion secreted from the nose; after the effect of using the drug has passed, a strong sense of "stuffiness" of the nose (reactive hyperemia). Side effects,caused by the systemic action of the drug: increased blood pressure, headache, dizziness, severe palpitation, tachycardia, increased anxiety, sedation, irritability, sleep disturbances (in children), nausea, insomnia, exanthema, visual impairment (eye contact). With prolonged use - tachyphylaxis, reactive hyperemia of the mucosa and atrophy of the mucous membrane of the nasal cavity.
Preservative benzalkonium chloride, which is part of the drug, can cause swelling of the mucous membrane of the nasal cavity. If this happens, it is necessary to change the drug to another, which does not contain preservatives.