Nasonex 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 Side Effects associated with mometasone nasal. Some dosage forms listed on this page may not apply specifically to the brand name Nasonex.

Applies to mometasone nasal: nasal implant, nasal spray.

Serious side effects of Nasonex

Along with its needed effects, mometasone nasal (the active ingredient contained in Nasonex) 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

• 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

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

Rare

• 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 of Nasonex

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

• sore throat

Less common

• 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

For healthcare professionals

Applies to mometasone nasal: nasal implant, nasal spray.

General

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

Nervous system

• Very common (10% or more): Headache (26%)^[Ref]

Endocrine

• Frequency not reported: Hypothalamic-pituitary-adrenal (HPA) axis effects including growth reduction^[Ref]

Gastrointestinal

• Common (1% to 10%): Throat irritation, diarrhea, nausea, abdominal pain, dyspepsia
• Frequency not reported: Disturbances of taste and smell^[Ref]

Hypersensitivity

• Frequency not reported: Hypersensitivity (including anaphylactic reactions, angioedema, bronchospasm, dyspnea)^[Ref]

Immunologic

• Very common (10% or more): Viral infection (14%)
• Frequency not reported: Candida albicans infection, immunosuppression^[Ref]

Other

• Common (1% to 10%): Earache, otitis media
• Frequency not reported: Impaired wound healing^[Ref]

Genitourinary

• Common (1% to 10%): Dysmenorrhea^[Ref]

Musculoskeletal

• Common (1% to 10%): Musculoskeletal pain, arthralgia, myalgia^[Ref]

Ocular

• Common (1% to 10%): Conjunctivitis
• Frequency not reported: Glaucoma, increased intraocular pressure, cataract^[Ref]

Respiratory

• Very common (10% or more): Epistaxis (up to 15%), pharyngitis (12%)
• Common (1% to 10%): Upper respiratory tract infection, nasal burning, nasal irritation, nasal ulceration, sneezing, coughing, sinusitis, asthma, bronchitis, influenza-like symptoms, rhinitis
• Frequency not reported: Nasal septum perforation^[Ref]

Cardiovascular

• Common (1% to 10%): Chest pain^[Ref]

Frequently asked questions

• Flonase vs Nasonex: What's the difference?

Further information

Nasonex 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.

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

Medical Disclaimer