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 (http://www.fda.gov/Drugs/DrugSafety/ucm085729.htm) or the manufacturer's website to obtain the Medication Guide.
Dexmethylphenidate is used as part of a treatment program to control symptoms of attention deficit hyperactivity disorder (ADHD; more difficulty focusing, controlling actions, and remaining still or quiet than other people who are the same age) in adults and children. Dexmethylphenidate is in a class of medications called central nervous system (CNS) stimulants. It works by increasing the amounts of certain natural substances in the brain.
Dexmethylphenidate comes as a tablet and an extended-release (long-acting) capsule to take by mouth. The tablet is usually taken twice a day, at least 4 hours apart, with or without food. The extended-release capsule is usually taken once a day in the morning. It may be taken with or without food, but will start to work faster if it is taken without food . Take dexmethylphenidate at around the same time(s) every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand.
Swallow the extended-release capsules whole; do not chew or crush them. If you are unable to swallow the extended-release capsule, you can carefully open the capsule and sprinkle the contents on a spoonful of applesauce. Swallow this mixture immediately, but do not chew it. Do not save this mixture to use at a later time.
Your doctor will probably start you on a low dose of dexmethylphenidate and gradually increase your dose, not more often than once a week.
Your condition should improve during your treatment. Call your doctor if your symptoms worsen at any time during your treatment or do not improve after 1 month.
Your doctor may tell you to stop taking dexmethylphenidate from time to time to see if the medication is still needed. Follow these directions carefully.
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
Unless your doctor tells you otherwise, continue your normal diet.
Take the missed dose as soon as you remember it. However, if it is almost time for your next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
loss of appetite
difficulty falling asleep or staying asleep
nervousness or jitteriness
fast, pounding, or irregular heartbeat
shortness of breath
slow or difficult speech
dizziness or faintness
weakness or numbness of an arm or leg
changes in vision or blurred vision
believing things that are not true
feeling unusually suspicious of others
hallucinations (seeing things or hearing voices that do not exist)
motor tics or verbal tics
swelling of the face, throat, tongue, lips, or eyes
purple blotches under the skin
blistering or peeling skin
frequent, painful erections
erection that lasts longer than 4 hours
numbness, pain, or sensitivity to temperature in the fingers or toes
skin color change from pale to blue to red in the fingers or toes
unexplained wounds on the fingers or toes
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 http://www.fda.gov/Safety/MedWatch] or by phone [1-800-332-1088].
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
uncontrollable shaking of a part of the body
hallucinations (seeing things or hearing voices that do not exist)
rapid, pounding, or irregular heartbeat
widening of pupils (black circles in the middle of the eyes)
Keep all appointments with your doctor and the laboratory. Your doctor may order certain lab tests to check your body's response to dexmethylphenidate.
This prescription is not refillable. Be sure to schedule appointments with your doctor on a regular basis so you do not run out of medication.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
Last Revised - 04/15/2014
AHFS® Consumer Medication Information. © Copyright, 2015. The American Society of Health-System Pharmacists, Inc., 7272 Wisconsin Avenue, Bethesda, Maryland. All Rights Reserved. Duplication for commercial use must be authorized by ASHP.