What are the side effects of corticosteroid nasal sprays?

The most common reported side effect of corticosteroid nasal sprays is headache. Less than 10 percent of people using corticosteroid nasal sprays may experience the following:

  • dizziness
  • nausea
  • vomiting
  • abdominal pain
  • diarrhea
  • nose bleeds
  • cough
  • sore throat
  • runny nose

Less than 1 percent of people experience anaphylaxis, a serious adverse reaction which may involve throat swelling and/or low blood pressure.

In general, corticosteroid nasal sprays are safe and well-tolerated by the majority of people using them. 

Donna Hill Howes, RN
Family Practitioner

Side effects may include nasal congestion, irritation, nosebleeds, runny nose, sneezing, throat irritation and impaired taste and smell. Other side effects may include dizziness, headaches, coughing, nausea and vomiting.

This answer was adapted from Sharecare's award-winning AskMD app. Start a consultation now to find out what's causing your symptoms, learn how to manage a condition or find a doctor. 

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.