Nasonex Side Effects
Common and serious side effects of Nasonex (mometasone), what to watch for, and when to call your doctor.
Common side effects
This is not a complete list. Always consult a doctor or pharmacist.
- Nosebleeds
- Nasal irritation
- Headache
- Throat irritation
- Nasal dryness
Serious warnings
Nasonex does not carry an FDA Boxed Warning, but every prescription medicine has risks and possible interactions. Always follow your doctor's instructions and read the medication guide that comes with it.
When to call a doctor
As a general rule with any prescription medicine, contact your doctor about any side effect that is severe, persistent, or worries you. General guidance is to seek emergency care for signs of a serious allergic reaction to any medicine — such as trouble breathing or swelling of the face, lips, tongue, or throat.
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Frequently asked questions
What are the most common side effects of Nasonex?
Commonly reported side effects of Nasonex (mometasone) include Nosebleeds, Nasal irritation, Headache, Throat irritation, and Nasal dryness. This is not a complete list — tell your doctor or pharmacist about any side effects you experience.
Does Nasonex have any serious or boxed warnings?
Nasonex does not carry an FDA Boxed Warning, but every prescription medicine has risks and possible interactions. Always follow your doctor's instructions and read the medication guide that comes with it.
When should I call my doctor about Nasonex side effects?
As a general rule with any prescription medicine, call your doctor about any side effect that is severe, doesn't go away, or worries you. General guidance is to seek emergency care for signs of a serious allergic reaction to any medicine — such as trouble breathing or swelling of the face, lips, tongue, or throat. For advice about your situation, talk to a licensed healthcare provider.
Where can I find the full list of Nasonex side effects?
The side effects above are commonly reported ones recorded for Nasonex (mometasone); they are not a complete list. For the full prescribing information and medication guide, check the official Nasonex label or ask your doctor or pharmacist.
Should I stop taking Nasonex if I have side effects?
General medical guidance is not to stop a prescription medicine on your own without talking to your doctor first. Your doctor can advise whether to continue, adjust, or change your treatment. This page is informational and not medical advice.