Mometasone Side Effects

Medically reviewed by Drugs.com. Last updated on Sep 21, 2024.

Applies to mometasone: inhalation aerosol powder, inhalation powder.

Other dosage forms:

• implantation implant

Precautions

If you will be using this medicine for a long time, it is very important that your doctor check the progress of you or your child at regular visits. This will allow your doctor to see if the medicine is working properly and to check for any unwanted effects.

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

You should not use this medicine if your asthma attack has already started. Your doctor will prescribe another medicine (eg, a short-acting inhaler) for you to use in case of an acute asthma attack. Make sure you understand how to use the short-acting inhaler. Talk to your doctor if you need instructions.

Talk with your doctor or get medical care right away if:

• Your or your child's symptoms do not improve after using this medicine for 2 weeks or if they become worse.
• You or your child have a big decrease in your peak flow when measured as directed by your doctor.

This medicine may cause serious allergic reactions, including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Call your doctor right away if you or your child have a rash, itching, hoarseness, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth while you are using this medicine.

Your doctor may want you to carry a medical identification (ID) card stating that you or your child are using this medicine. The card will say that you may need additional medicine during an emergency, a severe asthma attack or other illness, or unusual stress.

Using too much of this medicine for a long period of time can cause problems with your adrenal gland. Talk to your doctor if you or your child have darkening of the skin, diarrhea, dizziness, fainting, loss of appetite, mental depression, nausea, skin rash, unusual tiredness or weakness, or weight loss.

Follow your doctor's directions carefully if you are switching from an oral corticosteroid to this medicine.

This medicine may decrease bone mineral density when used for a long time. Low bone mineral density can cause weak bones or osteoporosis. If you have any questions about this, ask your doctor.

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

Check with your doctor right away if blurred vision, difficulty in reading, or any other change in vision occurs during or after treatment. Your doctor may want you or your child to have your eyes checked by an ophthalmologist (eye doctor).

This medicine may cause paradoxical bronchospasm, which means your breathing or wheezing will get worse. Paradoxical bronchospasm may be life-threatening. Check with your doctor right away if you or your child are having a cough or difficulty with breathing after using this medicine. Use a short acting inhaler right away to treat your symptoms.

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.

Serious side effects of mometasone

Along with its needed effects, mometasone 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:

Other side effects of mometasone

Some side effects of mometasone 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:

For healthcare professionals

Applies to mometasone: inhalation aerosol, inhalation aerosol powder.

Gastrointestinal adverse events

• Very common (10% or more): Oral candidiasis
• Uncommon (0.1% to 1%): Dry mouth and throat, dyspepsia^[Ref]

In clinical trials, gastroenteritis and vomiting occurred with an incidence of at least 1% but less than 3%.^[Ref]

Nervous system

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

Respiratory

• Very common (10% or more): Nasopharyngitis, allergic rhinitis, upper respiratory infection
• Common (1% to 10%): Sinusitis, bronchitis, pharyngitis, dysphonia, epistaxis, nasal irritation, respiratory disorder
• Postmarketing reports: Asthma aggravation, which may include cough, dyspnea, wheezing and bronchospasm^[Ref]

Genitourinary

• Common (1% to 10%): Dysmenorrhea, urinary tract infection (in pediatrics)^[Ref]

Musculoskeletal

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

Other

• Common (1% to 10%): Fatigue, flu-like symptoms, pain, earache, infection, fever and bruise (in pediatrics)^[Ref]

In clinical trials, fatigue, flu-like symptoms, pain, earache, and infection occurred with an incidence of at least 1% but less than 3%.^[Ref]

Cardiovascular

• Uncommon (0.1% to 1%): Palpitations^[Ref]

Metabolic

• Uncommon (0.1% to 1%): Weight increase^[Ref]

Ocular

• Rare (less than 0.1%): Glaucoma, cataracts
• Postmarketing reports: Vision blurred^[Ref]

Psychiatric

• Frequency not reported: Psychomotor hyperactivity, sleep disorders, anxiety, depression or aggression^[Ref]

Hypersensitivity

• Postmarketing reports: Immediate and delayed hypersensitivity reactions including rash, pruritus, angioedema and anaphylactic reaction^[Ref]

See also:

Frequently asked questions

• Can asthma inhalers cause a sore throat?
• What causes Plaque Psoriasis?

Further information

Mometasone 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.

Medical Disclaimer