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Nasonex Children’s 24HR Allergy Side Effects

Generic name: mometasone nasal

Medically reviewed by Drugs.com. Last updated on May 22, 2024.

Note: This document provides detailed information about Nasonex Children’s 24HR Allergy Side Effects associated with mometasone nasal. Some dosage forms listed on this page may not apply specifically to the brand name Nasonex Children’s 24HR Allergy.

Applies to mometasone nasal: nasal implant, nasal spray.

Serious side effects

Along with its needed effects, mometasone nasal (the active ingredient contained in Nasonex Children’s 24HR Allergy) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking mometasone nasal:

More common side effects

  • bloody mucus or unexplained nosebleeds
  • chills
  • cold
  • cough
  • fever
  • headache
  • hoarseness
  • increased abdominal or stomach pain and cramping during menstrual periods
  • muscle or bone pain
  • stuffy or runny nose

Less common side effects

  • chest pain
  • discharge or redness in the eye, eyelid, or inner lining of the eyelid
  • earache
  • tightness in the chest
  • troubled breathing

Rare side effects

  • sores inside the nose
  • white patches inside the nose or mouth

Incidence not known

  • blurred vision
  • difficulty with swallowing
  • dizziness
  • fast heartbeat
  • hives, skin rash
  • itching, puffiness, or swelling of the eyelids or around the eyes, face, lips, or tongue
  • large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
  • unusual tiredness or weakness

Other side effects

Some side effects of mometasone nasal may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common side effects

  • sore throat

Less common side effects

  • diarrhea
  • joint or muscle ache or pain
  • nasal burning or irritation
  • nausea
  • sneezing
  • stomach upset or discomfort following meals

Incidence not known

  • bad, unusual, or unpleasant (after) taste or smell
  • change in taste or smell

Precautions

It is very important that your doctor check your or your child's progress at regular visits to make sure this medicine is working properly and to check for unwanted effects.

If your or your child's symptoms do not improve within a few days or if they become worse, check with your doctor.

This medicine may cause fungus infection of the mouth or throat (thrush). Tell your doctor right away if you have white patches in the mouth or throat, or pain when eating or swallowing.

This medicine may increase your risk of having problems with your nose. Check with your doctor right away if you or your child have bloody mucus, sores inside the nose, or unexplained nosebleeds while you are using this medicine.

Check with your doctor immediately if blurred vision, difficulty in reading, or any other change in vision occurs during or after treatment. Your doctor may want your eyes be checked by an ophthalmologist (eye doctor).

If you or your child have difficulty with breathing, or any allergic reaction to this medicine, check with your doctor right away.

Avoid close contact with anyone who has chickenpox or measles if you have never had these conditions before. This is especially important for children. Tell your doctor right away if you think you have been exposed to chickenpox or measles.

Using too much of this medicine or using it for a long time may increase your risk of having adrenal gland problems. Talk to your doctor if you or your child have more than one of these symptoms while using this medicine: darkening of the skin, diarrhea, dizziness, fainting, loss of appetite, mental depression, nausea, skin rash, unusual tiredness or weakness, or weight loss.

This medicine may cause children to grow more slowly than usual. Talk to your child's doctor if you have any concerns.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.

For healthcare professionals

Applies to mometasone nasal: nasal implant, nasal spray.

General adverse events

The most commonly reported side effects were headache, viral infection, pharyngitis, epistaxis, and cough.[Ref]

Nervous system

Endocrine

Gastrointestinal

Hypersensitivity

Immunologic

Other

Genitourinary

Musculoskeletal

Ocular

Respiratory

Cardiovascular

See also:

References

1. "Product Information. Nasonex (mometasone nasal)." Scherer Laboratories Inc

2. Cerner Multum, Inc. "UK Summary of Product Characteristics."

3. Cerner Multum, Inc. "Australian Product Information."

More about Nasonex Children’s 24HR Allergy (mometasone nasal)

Patient resources

Other brands

Nasonex 24HR Allergy, Propel, Sinuva

Professional resources

Other brands

Nasonex 24HR Allergy, Sinuva

Further information

Nasonex Children’s 24HR Allergy side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.