What are the side effects of formoterol?

Stacy Wiegman, PharmD

Pharmacy

Formoterol can cause many side effects, some more serious than others. Call your doctor right away if you have any of these effects:

signs of allergy, such as hives, rash or swelling of the face, throat, tongue, lips, eyes, hands, feet, ankles or lower legs
difficulty swallowing or breathing, hoarseness
chest pain, fast, pounding or irregular heartbeat
lightheadedness, fainting

Make an appointment to talk to your doctor if any of the following effects continues for a long period of time:

stuffy or runny nose
sore throat, dry mouth
nervousness, dizziness
back pain, muscle cramps, headaches
nausea, heartburn, stomach pain
uncontrollable shaking of a part of the body
extreme tiredness
difficulty falling asleep or staying asleep

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.