new psychotic symptoms (such as hearing voices, believing things that are not true, are suspicious) or new manic symptoms.new or worse aggressive behavior or hostility.new or worse behavior and thought problems.Your doctor should check you or your child carefully for heart problems before starting Methylphenidate HCl Extended-Release Capsules CD.Д¬all your doctor right away if you or your child has any signs of heart problems such as chest pain, shortness of breath, or fainting while taking Methylphenidate HCl Extended-Release Capsules CD. Tell your doctor if you or your child have any heart problems, heart defects, high blood pressure, or a family history of these problems. increased blood pressure and heart rate.sudden death in patients who have heart problems or heart defects.The following have been reported with use of methylphenidate HCl, USP and other stimulant medicines. What is the most important information I should know about Methylphenidate HCl Extended-Release Capsules CD? This Medication Guide does not take the place of talking to your doctor about your or your childвЂ™s treatment with Methylphenidate HCl Extended-Release Capsules CD. Read the Medication Guide that comes with Methylphenidate HCl Extended-Release Capsules CD before you or your child starts taking it and each time you get a refill. Methylphenidate HCl Extended-Release Capsules CD CII

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