Brand Name(s): | IMPORTANT WARNING | WHY is this medicine prescribed? | HOW should this medicine be used? | Are there OTHER USES for this medicine? | What SPECIAL DIETARY instructions should I follow? | What should I do IF I FORGET to take a dose? | What SIDE EFFECTS can this medicine cause? | What should I know about STORAGE and DISPOSAL of this medication? | What should I do in case of OVERDOSE? | What OTHER INFORMATION should I know? | ahfsCopyRight

IMPORTANT WARNING

Dexmethylphenidate can be habit-forming. Do not take a larger dose, take it more often, take it for a longer time, or take it in a different way than prescribed by your doctor. If you take too much dexmethylphenidate, you may find that the medication no longer controls your symptoms, you may feel a need to take large amounts of the medication, and you may experience unusual changes in your behavior Tell your doctor if you drink or have ever drunk large amounts of alcohol, use or have ever used street drugs, or have overused prescription medications.

Do not stop taking dexmethylphenidate without talking to your doctor, especially if you have overused the medication. Your doctor will probably decrease your dose gradually and monitor you carefully during this time. You may develop severe depression if you suddenly stop taking dexmethylphenidate after overusing it. Your doctor may need to monitor you carefully after you stop taking dexmethylphenidate, even if you have not overused the medication, because your symptoms may worsen when treatment is stopped.

Do not sell, give away, or let anyone else take your medication. Selling or giving away dexmethylphenidate is against the law and may harm others. Store dexmethylphenidate in a safe place where no one else can take it accidentally or on purpose. Keep track of how many tablets or capsules are left so you will know if any are missing.

Your doctor or pharmacist will give you the manufacturer's patient information sheet (Medication Guide) when you begin treatment with dexmethylphenidate and each time you get more medication. Read the information carefully and ask your doctor or pharmacist if you have any questions. You can also visit the Food and Drug Administration (FDA) website ( Web Site) or the manufacturer's website to obtain the Medication Guide.

What SPECIAL PRECAUTIONS should I follow?

Before taking dexmethylphenidate,

  • tell your doctor and pharmacist if you are allergic to dexmethylphenidate, methylphenidate (Concerta, Metadate, Methylin, Ritalin), or any other medications.
  • tell your doctor if you are taking monoamine oxidase (MAO) inhibitors, including isocarboxazid (Marplan), phenelzine (Nardil), selegiline (Eldepryl, Emsam, Zelapar), and tranylcypromine (Parnate), or if you have stopped taking them during the past 14 days. Your doctor will probably tell you not to take dexmethylphenidate until at least 14 days have passed since you last took an MAO inhibitor.
  • tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: anticoagulants ('blood thinners') such as warfarin (Coumadin); antidepressants (mood elevators) such as amitriptyline (Elavil), amoxapine (Asendin), clomipramine (Anafranil), desipramine (Norpramin), doxepin (Adapin, Sinequan), imipramine (Tofranil), nortriptyline (Aventyl, Pamelor), protriptyline (Vivactil), and trimipramine (Surmontil); clonidine (Catapres); decongestants (cough and cold medications); guanabenz; guanfacine; medications for high blood pressure; medications for seizures such as phenobarbital phenytoin (Dilantin), and primidone (Mysoline); methyldopa (Aldomet); selective serotonin reuptake inhibitors (SSRIs) such as citalopram (Celexa), fluoxetine (Prozac, Sarafem), fluvoxamine (Luvox), paroxetine (Paxil), and sertraline (Zoloft); and venlafaxine (Effexor). If you are taking the extended-release capsules, also tell your doctor if you are taking antacids or other medications for heartburn or ulcers. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
  • tell your doctor if you or anyone in your family has or has ever had Tourette's syndrome (a condition characterized by the need to perform repeated motions or to repeat sounds or words), facial or motor tics (repeated uncontrollable movements), or verbal tics (repetition of sounds or words that is hard to control). Also tell your doctor if you have glaucoma, or feelings of anxiety, tension, or agitation. Your doctor will probably tell you not to take dexmethylphenidate.tell your doctor if anyone in your family has or has ever had an irregular heartbeat or has died suddenly. Also tell your doctor if you have recently had a heart attack and if you have or have ever had a heart defect, high blood pressure, an irregular heartbeat, heart or blood vessel disease, hardening of the arteries; or other heart problems. Your doctor will examine you to see if your heart and blood vessels are healthy. Your doctor will probably tell you not to take dexmethylphenidate if you have a heart condition or if there is a high risk that you may develop a heart condition.
  • tell your doctor if you or anyone in your family has or has ever had depression, bipolar disorder (mood that changes from depressed to abnormally excited), or mania (frenzied, abnormally excited mood), or has thought about or attempted suicide. Also tell your doctor if you have or have ever had depression; mental illness; seizures;an abnormal electroencephalogram (EEG; a test that measures electrical activity in the brain); or thyroid disease.
  • tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking dexmethylphenidate, call your doctor.
  • you should know that dexmethylphenidate should be used as part of a total treatment program for ADHD, which may include counseling and special education. Make sure to follow all of your doctor's and/or therapist's instructions.

What SIDE EFFECTS can this medicine cause?

Some side effects can be serious. If you experience any of the following symptoms, call your doctor immediately:

  • fast, pounding, or irregular heartbeat
  • chest pain
  • shortness of breath
  • excessive tiredness
  • slow or difficult speech
  • dizziness or faintness
  • weakness or numbness of an arm or leg
  • changes in vision or blurred vision
  • seizures
  • believing things that are not true
  • feeling unusually suspicious of others
  • aggressive behavior
  • hallucinations (seeing things or hearing voices that do not exist)
  • mood changes
  • depression
  • motor tics or verbal tics
  • swelling of the face, throat, tongue, lips, or eyes
  • rash
  • hives
  • itching
  • purple blotches under the skin
  • fever
  • blistering or peeling skin
  • joint pain

Dexmethylphenidate may cause sudden death in children and teenagers, especially children and teenagers with heart defects or serious heart problems. This medication also may cause sudden death, heart attack, or stroke in adults, especially adults with heart defects or serious heart problems. Talk to your doctor about the risks of taking this medication.

Dexmethylphenidate may slow children's growth or weight gain. Your child's doctor will watch his or her growth carefully. Talk to your child's doctor if you have concerns about your child's growth or weight gain while he or she is taking this medication. Talk to your child's doctor about the risks of giving dexmethylphenidate to your child.

Dexmethylphenidate may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.

If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at Web Site] or by phone [1-800-332-1088].