Tetrahydrozoline

Tetrahydrozoline Overview

Reviewed: October 15, 2013
Updated: 

Tetrahydrozoline is a prescription medication used to treat a stuffy nose. Tetrahydrozoline belongs to a group of drugs called decongestants, which help to reduce the amount of fluid build-up in the nasal passages.

This medication comes in nasal drop form and is typically used in each nostril every 3 hours as needed.

Common side effects of tetrahydrozoline include burning, stinging, sneezing, or dryness of the nasal passage. Tetrahydrozoline can also cause dizziness. Do not drive or operate heavy machinery until you know how tetrahydrozoline affects you.
 

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Side Effects of Tetrahydrozoline

Serious side effects have been reported with tetrahydrozoline. See the “Drug Precautions” section.

Common side effects of tetrahydrozoline include burning, stinging, sneezing, or dryness of the nasal passage. Tetrahydrozoline can also cause dizziness and rebound congestion (long-term swelling of the nasal mucosa resulting in chronic redness, swelling, and inflammation).

This is not a complete list of tetrahydrozoline side effects. Ask your doctor or pharmacist for more information.

Tell your doctor if you have any side effect that bothers you or that does not go away.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.