Methylphenidate

Methylphenidate 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 methylphenidate, 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 methylphenidate 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 methylphenidate after overusing it. Your doctor may need to monitor you carefully after you stop taking methylphenidate, 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 methylphenidate may harm others and is against the law. Store methylphenidate in a safe place so no one else can take it accidentally or on purpose. Keep track of how much medication is left so you will know if any is missing.

Your doctor or pharmacist will give you the manufacturer’s patient information sheet (Medication Guide) when you begin treatment with methylphenidate 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.

🔔 Why is this medication prescribed?

Methylphenidate 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. Methylphenidate (Methylin) is also used to treat narcolepsy (a sleep disorder that causes excessive daytime sleepiness and sudden attacks of sleep). Methylphenidate is in a class of medications called central nervous system (CNS) stimulants. It works by changing the amounts of certain natural substances in the brain.

🔔 How should this medicine be used?

Methylphenidate comes as an immediate-release tablet, a chewable tablet, a solution (liquid), a long-acting (extended-release) suspension (liquid), an intermediate-acting (extended-release) tablet, a long-acting (extended-release) capsule, a long-acting (extended-release) tablet, a long-acting (extended-release) chewable tablet, and a long-acting (extended-release) orally disintegrating tablet (tablet that dissolves quickly in the mouth). The long-acting tablet, orally disintegrating tablets, and capsules supply some medication right away and release the remaining amount as a steady dose of medication over a longer time. All of these forms of methylphenidate are taken by mouth. The regular tablets, chewable tablets (Methylin), and solution (Methylin) are usually taken two to three times a day by adults and twice a day by children, preferably 35 to 40 minutes before meals. Adults who are taking three doses should take the last dose before 6:00 pm, so that the medication will not cause difficulty in falling asleep or staying asleep. The intermediate-acting tablets are usually taken once or twice a day, in the morning and sometimes in the early afternoon 30 to 45 minutes before a meal. The long-acting capsule (Metadate CD) is usually taken once a day before breakfast; the long-acting tablet (Concerta), long-acting chewable tablet (Quillichew ER), long-acting suspension (Quillivant XR), and long-acting capsules (Aptensio XR, Ritalin LA) are usually taken once a day in the morning with or without food. The long-acting suspension (Quillivant XR) will begin to work sooner if it is taken with food. The long-acting orally disintegrating tablet (Cotempla XR-ODT) and the long-acting capsule (Adhansia XR) is usually taken once daily in the morning and should be taken consistently, either always with food or always without food. The long-acting capsule (Jornay PM) is usually taken once daily in the evening (between 6:30 pm and 9:30 pm),and should be taken consistently, at the same time every evening and either always with food or always without food.

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Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take methylphenidate exactly as directed.

Do not try to push the extended-release orally disintegrating tablet (Cotempla XR-ODT) through the blister pack foil. Instead, use dry hands to peel back the foil packaging. Immediately take out the tablet and place it in your mouth. The tablet will quickly dissolve and can be swallowed with saliva; no water is needed to swallow the tablet.

You should thoroughly chew the immediate-release chewable tablets and then drink a full glass (at least 8 ounces [240 milliliters]) of water or other liquid. If you take the immediate-release chewable tablet without enough liquid, the tablet may swell and block your throat and may cause you to choke. If you have chest pain, vomiting, or trouble swallowing or breathing after taking the chewable tablet, you should call your doctor or get emergency medical treatment immediately.

Swallow the intermediate-acting and long-acting tablets and capsules whole; do not split, chew, or crush them. However, if you cannot swallow the long-acting capsules (Aptensio XR, Jornay PM, Metadate CD, Ritalin LA), you may carefully open the capsules and sprinkle the entire contents on a tablespoon of cool or room temperature applesauce, or for long-acting capsules (Adhansia XR), you may open the capsules and sprinkle the entire contents on a tablespoon of applesauce or yogurt. Swallow (without chewing) this mixture immediately after preparation (within 10 minutes if taking Adhansia XR) and then drink a glass of water to make sure you have swallowed all of the medicine. Do not store the mixture for future use.

If you are taking the long-acting chewable tablet (Quillichew ER) and your doctor has told you to take part of the tablet to get the correct amount of your dose, break the 20 mg or 30 mg long-acting chewable tablet carefully along the lines that have been scored into it. However, the 40 mg long-acting chewable tablet is not scored and cannot be divided or split.

If you are taking the long-acting suspension (Quillivant XR), follow these steps to measure the dose:

1. Remove the bottle of medication and dosing dispenser from the box. Check to be sure that the bottle contains liquid medication. Call your pharmacist and do not use the medication if the bottle contains powder or if there is no dosing dispenser in the box.
2. Shake the bottle up and down for at least 10 seconds to mix the medication evenly.
3. Remove the bottle cap. Check that the bottle adapter has been inserted into top of the bottle.
4. If the bottle adapter has not been inserted into the top of the bottle, insert it by placing the bottom of the adapter into the opening of the bottle and pressing down firmly on it with your thumb. Call your pharmacist if the box does not contain a bottle adapter. Do not remove the bottle adapter from the bottle once it is inserted.
5. Insert the tip of the dosing dispenser into the bottle adapter and push the plunger all the way down.
6. Turn the bottle upside down.
7. Pull the plunger back to withdraw the amount of oral suspension prescribed by your doctor. If you are not sure how to correctly measure the dose your doctor has prescribed, ask your doctor or pharmacist.
8. Remove the dosing dispenser and slowly squirt the oral suspension directly into your mouth or your child’s mouth.
9. Replace the cap on the bottle and close tightly.
10. Clean the dosing dispenser after each use by placing it in the dishwasher or by rinsing with tap water.

Your doctor may start you on a low dose of methylphenidate and gradually increase your dose, not more often than once every 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 methylphenidate from time to time to see if the medication is still needed. Follow these directions carefully.

Some methylphenidate products may not be able to be substituted for another. Ask your pharmacist if you have any questions about the type of methylphenidate product your doctor has prescribed.