Drugs Home > Precautions and Warnings With Flunisolide Nasal Solution

It's important to review the precautions and warnings with flunisolide nasal solution prior to starting treatment. If your allergy symptoms do not improve after taking the drug for three weeks, be sure to contact your healthcare provider. Precautions and warnings with flunisolide nasal solution also include people who are allergic to any components of the medication or who have an untreated nasal infection.

Flunisolide Nasal Solution: What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to taking flunisolide nasal solution (Nasarel™, Nasalide®) if you have:
  • Tuberculosis, herpes, or any other infections
  • Not had chickenpox or the measles (and have not been vaccinated against them)
  • Recently had nasal surgery
  • Sores or injury to the inside of your nose
  • A nasal infection
  • Any allergies, including allergies to food, dyes, or preservatives.
Also, let your healthcare provider know if you are:
  • Pregnant or thinking of becoming pregnant
  • Breastfeeding.
Make sure to tell your healthcare provider about all medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.

Specific Precautions and Warnings With Flunisolide Nasal Solution

Some warnings and precautions to be aware of prior to using flunisolide nasal solution include the following:
  • It can take as long as two weeks before flunisolide nasal solution starts working in some people. If your symptoms do not improve within three weeks, you should contact your healthcare provider.
  • The medication can suppress the body's ability to make natural steroids. Usually, this happens when too much flunisolide nasal solution is used. In such circumstances, the drug should be stopped slowly to give your body a chance to begin making natural steroids again.
  • If you are switching from an oral steroid to flunisolide nasal solution (which is a nasal steroid), your healthcare provider should slowly decrease your dose of the oral steroid. Stopping an oral steroid too quickly can be dangerous.
  • As mentioned, flunisolide nasal solution is a steroid and may suppress the immune system. Although this is more likely to occur with oral steroids, it is still possible with nasal steroids (such as flunisolide nasal solution). Taking steroids may put you at a higher risk for infections. Certain infections (such as chickenpox or the measles) may be more dangerous if you are taking flunisolide nasal solution. Let your healthcare provider know right away if you are exposed to chickenpox or the measles, especially if you have not had these infections and have not been vaccinated against them. In rare cases, flunisolide nasal solution can lead to yeast infections in the nose and throat as a result of suppressing the immune system.
  • Like all steroids, flunisolide nasal solution may slow down the growth rate of children and teenagers. Contact your child's healthcare provider if you are concerned about a slow growth rate in your child.
  • Before starting the medication, be sure to tell your healthcare provider if you currently have any type of infection. Also let your healthcare provider know if you have ever had tuberculosis or a herpes infection of the eye, as flunisolide nasal solution may weaken the immune system, allowing these infections to become worse.
  • Corticosteroids (such as flunisolide nasal solution) can delay healing. Therefore, if you have had recent nasal surgery or nasal sores, you should wait until healing has occurred before taking flunisolide nasal solution. Also, corticosteroids can cause nosebleeds and nasal sores or irritation.
  • Flunisolide nasal solution is not likely to interact with other medications (see Drug Interactions With Flunisolide Nasal Solution).
  • Flunisolide nasal solution is considered a pregnancy Category C medication. This means that it may not be safe for use during pregnancy, although the full risks are not currently known (see Nasarel and Pregnancy).
  • It is unknown whether flunisolide nasal solution passes through breast milk. Therefore, if you are breastfeeding or plan to start, discuss this with your healthcare provider prior to taking the drug (see Nasarel and Breastfeeding).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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