At recommended doses, the drug is usually well tolerated. In rare cases, there may occur such adverse reactions as nausea, tachycardia; headaches, pain, irritability, allergic reactions, rash, increased arterial pressure, reactive hyperemia, swelling of the nasal mucosa, local irritation. With prolonged and frequent use, more than 1 week, - edema and atrophy of the mucous membrane of the nasal cavity.