Metadate ER Side Effects

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 when using Metadate ER:

Headache; stomach pain; loss of appetite; trouble sleeping; dizziness; nausea; vomiting; lightheadedness; irritability; nervousness; blurred vision; dry mouth; constipation or (rarely) drowsiness.

Seek medical attention right away if any of these SEVERE side effects occur when using Metadate ER:

Uncontrolled movements (motor tics or tremor); verbal tics (e.g.; Tourette's syndrome); weight loss; fast/pounding/irregular heartbeat; mental/mood/behavior changes (e.g.; agitation; aggression; mood swings; depression; abnormal thoughts); difficulty urinating; signs of infection (e.g.; fever; persistent sore throat); easy bruising/bleeding; shortness of breath; chest pain; jaw/left arm pain; fainting; seizures; blurred vision; weakness on one side of the body; slurred speech; confusion; rash; itching/swelling (especially of the face/tongue/throat); severe dizziness; trouble breathing.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.