• Basic Info
• Top Questions
• Clinical Info
• Interactions

Before using mometasone inhalation, tell your doctor if you are using ketoconazole (Nizoral).

There may be other drugs that can interact with mometasone inhalation. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have any of these serious side effects:

• wheezing or breathing problems after using this medication;

• skin rash, bruising, severe tingling, numbness, pain, muscle weakness;

• changes in the shape or location of body fat (especially in your arms, legs, face, neck, breasts, and waist); or

• worsening asthma symptoms.

Less serious side effects may include:

• headache;

• runny nose, increased sinus allergy symptoms;

• stuffy nose, sinus pain, sore throat, nosebleed;

• muscle or joint pain, back pain;

• nausea, upset stomach, loss of appetite;

• changes in menstrual periods;

• tired feeling; or

• hoarseness or deepened voice.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.