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Budesonide +Formoterol Fumarate

Budesonide +Formoterol Fumarate

What is budesonide-formoterol?

Budesonide/formoterol is a prescription drug. It comes only as an inhalation aerosol, which is packaged in a metered dose inhaler (MDI).

Budesonide/formoterol is not available as a generic drug. It’s only available as the brand-name drug Symbicort.

Budesonide/formoterol is a combination medication. It contains two drugs: budesonide and formoterol. It’s important to know about all the drugs in the combination because each drug may affect you in a different way.

Budesonide/formoterol may be used as part of a combination therapy. This means you may need to take it with other medications.

Why it's used

Budesonide/formoterol is used to control and prevent symptoms of asthma, such as wheezing. This drug shouldn’t be used to treat asthma attacks. You should use a rescue inhaler to treat sudden symptoms of asthma.

This drug is also used for maintenance treatment of chronic obstructive pulmonary disease (COPD). It’s also used to help reduce exacerbations of COPD.

Budesonide and formoterol side effects

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

Call your doctor at once if you have:

  • worsening breathing problems;
  • wheezing, choking, or other breathing problems after using this medication;
  • white patches in your mouth or throat, trouble swallowing;
  • blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
  • signs of infection--fever, chills, body aches, nausea, vomiting, unusual tiredness;
  • symptoms of pneumonia--fever, cough with yellow or green mucus, stabbing chest pain, feeling short of breath;
  • swelling of your blood vessels--numbness or tingling in your arms or legs, flu symptoms, stuffy nose, sinus pain, skin rash;
  • low potassium--leg cramps, constipation, irregular heartbeats, fluttering in your chest, increased thirst or urination, numbness or tingling, muscle weakness or limp feeling; or
  • high blood sugar--increased thirst, increased urination, dry mouth, fruity breath odor, headache, blurred vision.

Budesonide can affect growth in children. Talk with your doctor if you think your child is not growing at a normal rate while using this medication.


Asthma warning: Adults with asthma who take drugs such as formoterol alone have an increased risk of death from asthma problems. Also, children and adolescents with asthma who take formoterol alone may have an increased risk of being hospitalized due to asthma. However, in clinical trials, people who took formoterol with drugs such as budesonide didn’t have these effects.

Usage warning: This drug doesn’t relieve sudden symptoms of your condition, such as shortness of breath. Always have a rescue inhaler with you to treat sudden symptoms. If you don’t have a rescue inhaler, ask your doctor to prescribe one to you.

Emergency help warning: Seek emergency medical care if your breathing problems get worse quickly, or if your rescue inhaler doesn’t relieve your breathing problems.


Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.