"Attention deficit hyperactivity disorder (ADHD) medications facts
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Concerta Patient Information including If I Miss a Dose
In this Article
- What is methylphenidate (Concerta)?
- What are the possible side effects of methylphenidate?
- What is the most important information I should know about methylphenidate?
- What should I discuss with my healthcare provider before taking methylphenidate?
- How should I take methylphenidate?
- What happens if I miss a dose?
- What happens if I overdose?
- What should I avoid while taking methylphenidate?
- What other drugs will affect methylphenidate?
- Where can I get more information?
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.
Overdose can cause vomiting, agitation, tremors, muscle twitching, seizure (convulsions), confusion, hallucinations, sweating, fast or pounding heartbeat, blurred vision, dry mouth and nose, and fainting.
What should I avoid while taking methylphenidate?
Methylphenidate may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
What other drugs will affect methylphenidate?
Tell your doctor about all other medicines you use, especially:
- a blood thinner such as warfarin (Coumadin);
- clonidine (Catapres);
- dobutamine (Dobutrex), epinephrine (EpiPen), or isoproterenol (Isuprel);
- cold/allergy medicine that contains phenylephrine (a decongestant);
- potassium citrate (Urocit-K, Twin-K), sodium acetate, sodium bicarbonate (Alka-Seltzer), citric acid and potassium citrate (Cytra-K, Poly-Citra), or sodium citrate and citric acid (Bicitra, Oracit);
- medications to treat high or low blood pressure;
- stimulant medications or diet pills;
- seizure medicine such as phenytoin (Dilantin), phenobarbital (Luminal), primidone (Mysoline); or
- an antidepressant such as amitriptyline (Elavil, Vanatrip), citalopram (Celexa), doxepin (Sinequan), fluoxetine (Prozac, Sarafem), nortriptyline (Pamelor) paroxetine (Paxil), sertraline (Zoloft), and others.
This list is not complete and other drugs may interact with methylphenidate. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.
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.
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