Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Although the risk of serious side effects is low when xylometazoline is used in the nose, side effects can occur if the medicine is absorbed into your bloodstream.
Stop using this medicine and call your doctor at once if you have:
blurred vision;
headache, dizziness, nervousness;
fast or pounding heartbeats;
a light-headed feeling, like you might pass out;
wheezing, feeling short of breath; or
worsening symptoms.
Common side effects may include:
dryness, burning, or stinging inside your nose;
sneezing; or
runny nose.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Xylometazoline nasal side effects (more detail)
