Oxymetazoline is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).
Oxymetazoline nasal (for the nose) is for temporary relief of nasal congestion (stuffy nose) caused by allergies or the common cold.
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You should check with your doctor immediately if any of these side effects occur when taking oxymetazoline nasal:
fast, irregular, or pounding heartbeat
headache, dizziness, drowsiness, or lightheadedness
high blood pressure
increase in runny or stuffy nose
trouble in sleeping
Some of the side effects that can occur with oxymetazoline nasal may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:
Burning, dryness, or stinging inside of nose
(nasal solution, nasal spray)