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Do decongestants have any side effects?

Donna Hill Howes, RN
Family Practitioner

Side effects may include headaches, nausea, dizziness, nervousness, insomnia, tremor, elevated blood pressure, abnormal heart rhythms, rapid, strong, or irregular heartbeat, and bowel obstruction. Decongestant nasal sprays may also produce dryness or a burning sensation in the nose.

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.