Methylin ER

Generic Name: methylphenidate (oral) (METH il FEN i date)
Brand Name: Concerta, Metadate CD, Metadate ER, Methylin, Quillivant XR, Ritalin, Ritalin LA, Ritalin-SR

What is methylphenidate?

Methylphenidate is a central nervous system stimulant. It affects chemicals in the brain and nerves that contribute to hyperactivity and impulse control.

Methylphenidate is used to treat attention deficit disorder (ADD), attention deficit hyperactivity disorder (ADHD), and narcolepsy.

Methylphenidate may also be used for purposes not listed in this medication guide.

What is the most important information I should know about methylphenidate?

You should not use methylphenidate if you have glaucoma, tics or Tourette's syndrome, or severe anxiety, tension, or agitation.

Do not use methylphenidate if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.

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Methylphenidate may be habit forming. Never share methylphenidate with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it.

What should I discuss with my healthcare provider before taking methylphenidate?

Do not use methylphenidate if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.

You should not use this medication if you are allergic to methylphenidate or if you have:

  • glaucoma;

  • a personal or family history of tics (muscle twitches) or Tourette's syndrome; or

  • severe anxiety, tension, or agitation (methylphenidate can make these symptoms worse).

Some stimulants have caused sudden death in people with serious heart problems or congenital heart defects. Tell your doctor if you have:

  • heart disease, heart rhythm disorder;

  • coronary artery disease (hardened arteries); or

  • history of heart attack.

To make sure this medicine is safe for you, tell your doctor if you have:

  • high blood pressure;

  • a personal or family history of mental illness, psychotic disorder, bipolar illness, depression, or suicide attempt;

  • peripheral vascular disease such as Raynaud's syndrome;

  • epilepsy or other seizure disorder;

  • tics (muscle twitches) or Tourette's syndrome;

  • a stomach disorder; or

  • a history of drug or alcohol addiction.

Methylphenidate may be habit forming. Never share this medicine with another person, especially someone with a history of drug abuse or addiction.

FDA pregnancy category C. It is not known whether methylphenidate will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication.

Methylphenidate can pass into breast milk and may harm a nursing baby. You should not breast-feed while using this medicine.

Long-term use of methylphenidate can slow a child's growth. Tell your doctor if the child using this medication is not growing or gaining weight properly.

Do not give methylphenidate to a child younger than 6 years old without a doctor's advice.

How should I take methylphenidate?

Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take this medicine in larger or smaller amounts or for longer than recommended.

Some brands of this medicine should be taken at least 30 minutes before a meal. Extended-release methylphenidate can be taken with or without food. Follow the directions on your medicine label

The chewable tablet must be chewed before you swallow it.

Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.

Shake the oral suspension (Quillivant) well just before you measure a dose.

Do not crush, chew, or break an extended-release tablet. Swallow it whole. Breaking the pill may cause too much of the drug to be released at one time.

You may open the extended-release capsule and sprinkle the medicine into a spoonful of pudding or applesauce to make swallowing easier. Swallow right away without chewing. Do not save the mixture for later use. Discard the empty capsule.

To prevent sleep problems, take this medication in the morning.

If you need surgery, tell the surgeon ahead of time that you are using methylphenidate. You may need to stop using the medicine for a short time.

Store at room temperature away from moisture and heat.

Keep track of the amount of medicine used from each new bottle. Methylphenidate is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is later than 6:00 p.m. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of methylphenidate can be fatal.

What should I avoid while taking methylphenidate?

Avoid drinking alcohol, especially if you take extended-release methylphenidate. Alcohol may cause the medicine to be released into the bloodstream too fast.

Methylphenidate may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Methylphenidate side effects

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop taking methylphenidate and call your doctor at once if you have:

  • new or worsening symptoms such as mood swings, aggression, hostility, or changes in personality or behavior;

  • panic, delusion, extreme fear, hallucinations, unusual behavior, motor tics (muscle twitches);

  • chest pain, fast or slow heart rate, pounding heartbeats or fluttering in your chest, feeling like you might pass out

  • numbness, pain, cold feeling, unexplained wounds, or skin color changes (pale, red, or blue appearance) in your fingers or toes;

  • sudden numbness or weakness (especially on one side of the body), sudden severe headache, slurred speech, problems with vision or balance;

  • easy bruising, purple spots on your skin;

  • fever, sore throat, and headache with a severe blistering, peeling, and red skin rash;

  • penis erection that is painful or lasts 4 hours or longer (rare); or

  • dangerously high blood pressure (severe headache, blurred vision, buzzing in your ears, anxiety, confusion, chest pain, shortness of breath, uneven heartbeats, seizure).

Common side effects may include:

  • feeling nervous or irritable, sleep problems (insomnia);

  • loss of appetite, weight loss;

  • headache, dizziness, drowsiness; or

  • stomach pain, nausea, vomiting, upset stomach.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

What other drugs will affect methylphenidate?

Other drugs may interact with methylphenidate, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Where can I get more information?

  • Your pharmacist can provide more information about methylphenidate.
  • Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
  • Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2012 Cerner Multum, Inc. Version: 14.03. Revision Date: 2014-01-03, 4:43:19 PM.

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