Common adverse reactions to oxymetazoline hydrochloride include mild burning or stinging of the nose, sneezing and runny nose, according to Drugs.com. Other potential side effects include dizziness, nausea, nasal dryness, headache and difficulty sleeping. Patients should consult a doctor if side effects are severe or persistent, notes MedlinePlus.
Oxymetazoline hydrochloride sometimes causes serious side effects, such as severe burning in the nose, chest pain, unusually fast or slow heart rate, severe headache and buzzing in the ears, states MedlinePlus. Other serious side effects include shortness of breath, severe anxiety and confusion. Patients who experience serious side effects should stop using oxymetazoline hydrochloride and contact a doctor immediately. Some patients may experience an allergic reaction to oxymetazoline, characterized by hives, difficulty breathing, or swelling of the face, lips, tongue or throat. Signs and symptoms of allergic reaction require emergency medical attention, explains Drugs.com.
Oxymetazoline hydrochloride is a nasal spray that relieves nasal and sinus pressure and discomfort caused by colds or allergies, according to MedlinePlus. Classified as a nasal decongestant, oxymetazoline works by constricting the blood vessels in the nasal passages. Individuals with a history of high blood pressure, diabetes, enlarged prostate, thyroid problems or heart disease should speak to a doctor before using oxymetazoline.