Generic name: methylphenidate (oral) [ METH-il-FEN-i-date ]
Brand names: Adhansia XR, Aptensio XR, Concerta, Cotempla XR-ODT, Jornay PM, ... show all 12 brands Metadate ER, Methylin, QuilliChew ER, Quillivant XR, Relexxii, Ritalin, Ritalin LA
Drug class: CNS stimulants
What is Relexxii?
Relexxii may also be used for purposes not listed in this medication guide.
Stimulants have caused stroke, heart attack, and sudden death in people with high blood pressure, heart disease, or a heart defect.
Call your doctor right away if you have: signs of heart problems--chest pain, feeling light-headed or short of breath; or signs of psychosis--paranoia, aggression, new behavior problems, seeing or hearing things that are not real.
Relexxii may be habit-forming. Tell your doctor if you have a history of drug or alcohol addiction. Keep the medication where others cannot get to it.
Before taking this medicine
You should not use Relexxii if you are allergic to it.
You should not take Concerta if you have:
a personal or family history of tics (muscle twitches) or Tourette's syndrome; or
Stimulants have caused stroke, heart attack, and sudden death in certain people. Tell your doctor if you have:
heart problems or a congenital heart defect;
a family history of heart disease or sudden death.
Do not use Relexxii if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, and tranylcypromine.
Tell your doctor if you also use opioid medicine, herbal products, or medicine for depression, mental illness, Parkinson's disease, migraine headaches, serious infections, or prevention of nausea and vomiting. An interaction with Relexxii could cause a serious condition called serotonin syndrome.
Tell your doctor if you or anyone in your family has ever had:
depression, mental illness, bipolar disorder, psychosis, or suicidal thoughts or actions;
blood circulation problems in the hands or feet;
(if you take Adhansia) and allergy to aspirin or yellow food dye.
If you take Concerta, tell your doctor if you have ever had:
problems with the esophagus, stomach, or intestines;
`motor tics (muscle twitches) or Tourette's syndrome; or
Becoming dependent on Relexxii during pregnancy can cause premature birth or low birth weight. Tell your doctor if you are pregnant or plan to become pregnant. If you are pregnant, your name may be listed on a pregnancy registry to track the effects of methylphenidate on the baby.
Ask a doctor if it is safe to breastfeed while using this medicine. If you are breastfeeding, tell your doctor if you notice symptoms in the baby such as agitation, sleep problems, feeding problems, or reduced weight gain.
Not approved for use by anyone younger than 6 years old.
How should I take Relexxii?
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.
Relexxii may be habit-forming. Misuse can cause addiction, overdose, or death. Keep the medication where others cannot get to it. Selling or giving away this medicine is against the law.
Your dose needs may change if you switch to a different brand, strength, or form of this medicine. Avoid medication errors by using only the medicine your doctor prescribes.
Most brands of methylphenidate are taken 1 or 2 times during the day. Jornay PM is for use only at night between 6:30 and 9:30 pm.
You may take Relexxii with or without food, but take it the same way each time.
Swallow the extended-release capsule or tablet whole and do not crush, chew, or break it.
If you cannot swallow an extended-release capsule whole, open it and mix the medicine with soft food such as applesauce, pudding or yogurt. Swallow the mixture right away without chewing.
You must chew the chewable tablet before you swallow it.
Measure liquid medicine with the supplied measuring device (not a kitchen spoon).
Allow the orally disintegrating tablet to dissolve in your mouth without chewing.
Tell your doctor if you have a planned surgery.
Your treatment may also include counseling or other treatments.
Your doctor will need to check your progress on a regular basis. Your heart and blood pressure may also need to be checked often.
Store tightly closed at room temperature, away from moisture, heat, and light. Keep your medicine in a place where no one can use it improperly.
Do not keep leftover medicine. Ask your pharmacist about a drug take-back program. You may also mix the leftover medicine with cat litter or coffee grounds in a sealed plastic bag and throw the bag in the trash.
What happens if I miss a dose?
Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of Relexxii could be fatal.
Overdose symptoms may include nausea, dry mouth, vomiting, diarrhea, anxiety, agitation, restlessness, tremor, muscle twitches, rapid breathing, confusion, hallucinations, dilated pupils, muscle pain or weakness, fever, sweating, headache, pounding in your neck or ears, fast or pounding heartbeats, feeling light-headed, fainting, seizure (convulsions), or coma.
What should I avoid while taking methylphenidate?
Avoid drinking alcohol.
Avoid driving or hazardous activity until you know how Relexxii will affect you. Your reactions could be impaired.
Relexxii side effects
Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
signs of heart problems--chest pain, trouble breathing, feeling like you might pass out;
signs of psychosis--hallucinations (seeing or hearing things that are not real), new behavior problems, aggression, hostility, paranoia;
signs of circulation problems--numbness, pain, cold feeling, unexplained wounds, or skin color changes (pale, red, or blue appearance) in your fingers or toes; or
penis erection that is painful or lasts 4 hours or longer.
Seek medical attention right away if you have symptoms of serotonin syndrome, such as: agitation, hallucinations, fever, sweating, shivering, fast heart rate, muscle stiffness, twitching, loss of coordination, nausea, vomiting, or diarrhea.
Relexxii can affect growth in children. Your child's height and weight may need to be checked often. Tell your doctor if your child is not growing at a normal rate.
Common side effects may include:
sweating, increased blood pressure;
mood changes, anxiety, feeling nervous or irritable, trouble sleeping;
fast heart rate, pounding heartbeats or fluttering in your chest;
loss of appetite, weight loss;
dry mouth, nausea, vomiting, stomach pain, indigestion; or
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect Relexxii?
Tell your doctor about all your other medicines, especially:
an antidepressant; or
blood pressure medication;
Frequently asked questions
- Concerta vs Adderall - What's the difference between them?
- Ritalin vs Vyvanse - What's the difference between them?
- What are the brands of methylphenidate?
- Jornay PM vs other methylphenidate formulations - how do they compare?
- How is Cotempla XR-ODT different to other brands of methylphenidate?
More about Relexxii (methylphenidate)
- Side effects
- Drug interactions
- Dosage information
- During pregnancy or Breastfeeding
- Drug images
- Pricing & coupons
- En español
- Drug class: CNS stimulants
Related treatment guides
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.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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