Classification of incidence of adverse reactions: very often (≥1 / 10), often (≥1 / 100 and <1/10), infrequently (≥1 / 1,000 and <1/100), rarely (≥1 / 10,000 and <1/1 000), very rarely (<1/10 000).
From the immune system: very rarely - the reaction of hypersensitivity (angioedema, rash, itching).
From the nervous system: often - headache; rarely - insomnia, depression (with prolonged use in high doses); very rarely - anxiety, fatigue, hallucinations and convulsions (mainly in children).
From the sense organs: very rarely - a violation of the clarity of visual perception.
From the cardiovascular system: rarely - palpitations, increased blood pressure; very rarely - tachycardia, arrhythmia.
From the respiratory system: often - irritation and / or dryness of the mucous membrane of the nasopharynx, burning, tingling, sneezing, hypersecretion of the mucous membrane of the nasopharynx; rarely - edema of the mucous membrane of the nasal cavity, bleeding from the nose.
From the digestive system: often - nausea; rarely vomiting.
Local reactions: often - burning in the place of application. Benzalkonium chloride, which is part of the drug, can cause irritation and swelling of the mucous membrane of the nasal cavity.