All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Blurred vision; dizziness; drowsiness; dry mouth; fatigue; headaches; incoordination; pain, swelling, or redness at the injection site; short-term memory loss; weakness.
Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); anxiety; chest pain; difficulty breathing; difficulty sleeping; difficulty speaking; hallucinations; inability to control urination; increased muscle spasms; interrupted breathing; involuntary eye movement; sleep disturbances; stimulation; sudden rage; yellowing of the skin or eyes.
This is not a complete list of all side effects that may occur. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.