Formoterol (Inhalation Route)

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Side Effects

Along with its needed effects, a medicine 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:

• Body aches or pain
• Chills
• Cold or flu-like symptoms
• Cough or hoarseness
• Difficulty with breathing
• Ear congestion
• Fever
• Headache
• Loss of voice
• Nasal congestion
• Runny nose
• Sneezing
• Sore throat
• Unusual tiredness or weakness

• Chest pain or discomfort
• Cough-producing mucous
• Dry throat
• Labored breathing
• Pain or tenderness around the eyes and cheekbones
• Shortness of breath
• Tender, swollen glands in the neck
• Tightness in the chest
• Trauma
• Trouble with swallowing
• Voice changes

• Convulsions
• Decreased urine
• Dry mouth
• Fainting
• Fast, pounding, or irregular heartbeat or pulse
• Increased thirst
• Loss of appetite
• Noisy breathing

• Blurred vision
• Confusion
• Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
• Hives
• Itching
• Large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
• Puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
• Skin rash
• Sweating

Get emergency help immediately if any of the following symptoms of overdose occur:

• Arm, back, or jaw pain
• Chest tightness or heaviness
• General feeling or discomfort or illness
• Increased hunger
• Increased urination
• Muscle pain
• Muscle spasm or jerking of all extremities
• Nausea
• No blood pressure or pulse
• Numbness or tingling in the hands, feet, or lips
• Palpitations or pounding in the ears
• Pounding or racing heartbeat or pulse
• Sleeplessness
• Slow heartbeat
• Stopping of heart
• Sudden loss of consciousness
• Unconsciousness
• Vomiting

Some side effects 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:

• Agitation
• Back pain
• Increased mucous in the throat and lungs
• Leg cramps
• Muscle cramps
• Redness of the skin
• Restlessness
• Shakiness in the legs, arms, hands, or feet
• Trembling or shaking of the hands or feet
• Trouble sleeping

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

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