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Flunisolide nasal Side Effects

Medically reviewed by Last updated on Mar 22, 2022.

For the Consumer

Applies to flunisolide nasal: nasal spray


Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • severe or ongoing nosebleeds;

  • itching, irritation, sores, or white patches in your nose, mouth, or throat;

  • crusting around your nostrils;

  • any wound that will not heal; or

  • fever, chills, weakness, flu symptoms.

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For Healthcare Professionals

Applies to flunisolide nasal: nasal spray


Very common (10% or more): Mild transient nasal burning and stinging (45%)

Frequency not reported: Nasal congestion, sneezing, epistaxis and/or bloody mucous, nasal irritation, sore throat[Ref]

-Nasal burning and stinging complaints decreased with continued use; only 3% of patients in clinical trials required dose reductions or discontinuation.

-Nasal burning and stinging occurred at about the same rate in placebo patients, implicating the vehicle or delivery system.[Ref]

Nervous system

Frequency not reported: Temporary or permanent loss of smell, headaches[Ref]


Frequency not reported: Growth suppression[Ref]


Frequency not reported: Nausea and/or vomiting[Ref]


Frequency not reported: Watery eye[Ref]


1. "Product Information. Flunisolide (flunisolide nasal)." Bausch and Lomb (2018):

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.