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Flunisolide nasal Side Effects

Medically reviewed by Last updated on Aug 21, 2020.

For the Consumer

Applies to flunisolide nasal: nasal solution

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Nose irritation.
  • Bad nosebleeds.
  • Nose sores.
  • Whistling sound when you breathe.
  • Redness or white patches in mouth or throat.
  • Sneezing.
  • Fever or chills.
  • Sore throat.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

  • Burning.
  • Stinging.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at

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, Rochester, NY.

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.