DYANAVEL XR, Quillivant XR, and QuilliChew ER are federally controlled substances (CII) because they can be abused or lead to dependence. Keep these medicines in a safe place to prevent misuse and abuse. Selling or giving away these medicines may harm others and is against the law. Tell your doctor if you, your child, or any family members have ever abused or been dependent on alcohol, prescription medicines, or street drugs.
QUILLICHEW ER® SIDE EFFECTS AND SAFETY INFORMATION
The most serious risk information to know about QuilliChew ER® (methylphenidate hydrochloride)
QuilliChew ER is a federally controlled substance (CII) because it can be abused or lead to dependence. Keep QuilliChew ER in a safe place to prevent misuse and abuse. Selling or giving away QuilliChew ER may harm others and is against the law. Tell your doctor if you or your child have (or have a family history of) ever abused or been dependent on alcohol, prescription medicines, or street drugs.
QuilliChew ER should not be taken if you or your child are allergic to methylphenidate hydrochloride, or any of the ingredients in QuilliChew ER, or are taking or have taken within the past 14 days an antidepression medicine called a monoamine oxidase inhibitor or MAOI.
Serious side effects to know about QuilliChew ER
The following have been reported with the use of methylphenidate hydrochloride and other stimulant medicines:
- Heart-related problems:
- Sudden death in patients who have heart problems or heart defects
- Stroke and heart attack in adults
- Increased blood pressure and heart rate
- Your healthcare provider should check your or your child’s blood pressure and heart rate regularly during treatment with QuilliChew ER
- Mental (psychiatric) problems:
- New or worse behavior and thought problems
- New or worse bipolar illness
- May cause new psychotic symptoms (such as hearing voices, believing things that are not true, are suspicious) or new manic symptoms
- Circulation problems in fingers and toes (peripheral vasculopathy, including Raynaud’s phenomenon):
- Fingers or toes may feel numb, cool, painful, or may change color from pale, to blue, to red
- Heart-related symptoms such as chest pain, shortness of breath, or fainting
- New or worsening mental (psychiatric) symptoms or new manic symptoms
- Signs of unexplained wounds appearing on fingers or toes while taking QuilliChew ER
Children should have their height and weight checked often while taking QuilliChew ER. QuilliChew ER treatment may be stopped if a problem is found during check-ups.
Who should not take QuilliChew ER
- Are allergic to methylphenidate hydrochloride, or any of the ingredients in QuilliChew ER. See the end of the Medication Guide for a complete list of ingredients in QuilliChew ER
- Are taking or have taken within the past 14 days an antidepression medicine called a monoamine oxidase inhibitor, or MAOI
If you or your child have other health conditions...
- Heart problems, heart defects, high blood pressure
- Mental problems including psychosis, mania, bipolar illness, or depression
- Circulation problems in fingers and toes
- Phenylketonuria (PKU). QuilliChew ER extended-release chewable tablets contain phenylalanine, a component of aspartame (sweeteners), which can be harmful to patients with PKU
- Are pregnant or plan to become pregnant. It is not known if QuilliChew ER will harm your unborn baby. Talk to your healthcare provider if you are pregnant or plan to become pregnant
- Are breastfeeding or plan to breastfeed. QuilliChew ER passes into your breast milk. You and your healthcare provider should decide if you will take QuilliChew ER or breastfeed
If you or your child are taking other medications...
Tell your healthcare provider about all of the medicines that you or your child takes including prescription and nonprescription medicines, vitamins, and herbal supplements. QuilliChew ER® (methylphenidate HCl) and some medicines may interact with each other and cause serious side effects. Sometimes the doses of other medicines will need to be adjusted while taking QuilliChew ER.
Your healthcare provider will decide whether QuilliChew ER can be taken with other medicines.
Especially tell your healthcare provider if you or your child takes:
- Antidepression medicines including MAOIs
- Cold or allergy medicines that contain decongestants
- Know the medicines that you or your child takes. Keep a list of your medicines with you to show your healthcare provider and pharmacist
Do not start any new medicine while taking QuilliChew ER without talking to your healthcare provider first.
Additional information you should know about QuilliChew ER
- Your healthcare provider may often ask you to stop taking QuilliChew ER for some time to check your ADHD symptoms
- Your healthcare provider may check your blood, heart, and blood pressure while you are taking QuilliChew ER
- Children should have their height and weight checked often. If a problem is found, your healthcare provider may ask you to stop taking QuilliChew ER
- In case of poisoning, immediately call 1-800-222-1222, or go to the nearest hospital emergency room
- If you miss a dose of QuilliChew ER, be sure to speak with your healthcare provider
Possible side effects of QuilliChew ER
- Painful and prolonged erections, known as priapism, have occurred with methylphenidate. If they occur, seek medical help right away. Because priapism can cause lasting damage, it should be checked by a healthcare provider right away
- The most common side effects of QuilliChew ER include decreased appetite, trouble sleeping, nausea, vomiting, indigestion, stomach pain, weight loss, anxiety, dizziness, irritability, mood swings, fast heart beat, increased blood pressure
- These are not all the possible side effects of QuilliChew ER
Call your healthcare provider for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088.
For more information about the possible side effects of QuilliChew ER, see full Prescribing Information.