What side effects may I notice from receiving Formoterol ?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions (skin rash, itching or hives; swelling of the face, lips, or tongue)
-chest pain
-feeling faint or lightheaded, falls
-fever
-heartbeat rhythm changes (trouble breathing; chest pain; dizziness; fast, irregular heartbeat; feeling faint or lightheaded, falls)
-trouble breathing
-unusually weak or tired
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

-diarrhea
-dry mouth
-headache
-nausea
-sore throat
-stuffy nose
-tremors
-trouble sleeping
-vomiting

This list may not describe all possible side effects for Formoterol . Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.