Do not chew or crush the tablet. Your doctor will probably start you on a low dose of risperidone and gradually increase your dose to allow your body to adjust to the medication. Risperidone may help control your symptoms but will not cure your condition.
It may take several weeks or longer before you feel the full benefit of risperidone. Continue to take risperidone even if you feel well. Do not stop taking risperidone without talking to your doctor. If you suddenly stop taking risperidone, your symptoms may return and your illness may become harder to treat.
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information. Take the missed dose as soon as you remember it. However, if it is almost time for the 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. Risperidone may cause children to gain more weight than expected and for boys and male teenagers to have an increase in the size of their breasts. Talk to your doctor about the risks of giving this medication to your child.
Risperidone may cause other side effects. Call your doctor if you have any unusual problems while taking this medication. 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.
Always store the orally disintegrating tablets in their sealed package, and use them immediately after opening the package.
It is important to keep all medication out of sight and reach of children as many containers such as weekly pill minders and those for eye drops, creams, patches, and inhalers are not child-resistant and young children can open them easily. To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location — one that is up and away and out of their sight and reach.
Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them. However, you should not flush this medication down the toilet.
This may cause risperidone to build up in your body. This can lead to more side effects. Your doctor may reduce your dose if you have kidney disease. For people with liver problems: If you have liver problems, you may not be able to process this drug well.
Your doctor may reduce your dose if you have liver disease. This means you may experience more side effects. These can include confusion, lethargy, frequent falls, trouble moving, restlessness and urge to move, and uncontrollable muscle contractions. They can also include high fever, heavy sweating, stiff muscles, and changes in your breathing, heart rhythm, and blood pressure.
For people with phenylketonuria PKU : Risperidone orally disintegrating tablet contains phenylalanine. For pregnant women: Research in animals has shown negative effects to the fetus when the mother takes the drug.
Newborn babies born to mothers taking this drug may have withdrawal symptoms. These symptoms may include:. Some newborns recover within hours or days without treatment, but others may need to be hospitalized. And if you become pregnant while taking this drug, call your doctor right away. This drug should only be used if the potential benefit justifies the potential risk. For women who are breastfeeding: Risperidone may pass into breast milk and may cause side effects in a child who is breastfed.
Talk with your doctor if you breastfeed your child. You may need to decide whether to stop breastfeeding or stop taking this medication. For seniors: The kidneys, heart, and liver of older adults may not work as well as they used to. This can cause your body to process drugs more slowly. As a result, more of a drug stays in your body for a longer time. This raises your risk for side effects. Seniors may be more likely to have orthostatic hypotension a decrease in blood pressure when you stand up from a sitting or lying position caused by this drug.
Risperidone oral tablet is used for long-term treatment. For this drug to work well, a certain amount needs to be in your body at all times. If you take too much: You could have dangerous levels of the drug in your body. Symptoms of an overdose of this drug can include:. But if your symptoms are severe, call or go to the nearest emergency room right away. What to do if you miss a dose: Take your dose as soon as you remember.
But if you remember just a few hours before your next scheduled dose, take only one dose. Never try to catch up by taking two doses at once. This could result in dangerous side effects. A prescription for this medication is refillable. You should not need a new prescription for this medication to be refilled. Your doctor will write the number of refills authorized on your prescription. You and your doctor should monitor certain health issues. This can help make sure you stay safe while you take this drug.
These issues include:. Some insurance companies require a prior authorization for this drug. This means your doctor will need to get approval from your insurance company before your insurance company will pay for the prescription. There are other drugs available to treat your condition. Some may be better suited for you than others.
Medications used to lower blood pressure may increase this effect and increase your risk of falling. It is very important to tell your doctor how you feel things are going during the first few weeks after you start taking risperidone. It will probably take several weeks to see big enough changes in your symptoms to decide if risperidone is the right medication for you.
Antipsychotic treatment is generally needed lifelong for persons with schizophrenia. Your doctor can best discuss the duration of treatment you need based on your symptoms and illness. Last Updated: January This information is being provided as a community outreach effort of the College of Psychiatric and Neurologic Pharmacists.
This information is for educational and informational purposes only and is not medical advice. This information contains a summary of important points and is not an exhaustive review of information about the medication.
Always seek the advice of a physician or other qualified medical professional with any questions you may have regarding medications or medical conditions.
Never delay seeking professional medical advice or disregard medical professional advice as a result of any information provided herein.
The College of Psychiatric and Neurologic Pharmacists disclaims any and all liability alleged as a result of the information provided herein. Search Close Menu. Sign In About Mental Illness. About Mental Illness Treatments. About Mental Illness Research. Your Journey Individuals with Mental Illness. Your Journey Family Members and Caregivers. Your Journey Identity and Cultural Dimensions. Your Journey Frontline Professionals. Get Involved Become a Fundraiser. Get Involved Awareness Events. Get Involved Share Your Story.
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Personal contact We contacted the first author of each included study for missing information. Drug companies We contacted the manufacturers of all atypical antipsychotics included for additional data. We included all randomised, blinded trials comparing oral risperidone with oral forms of amisulpride, aripiprazole, clozapine, olanzapine, quetiapine, sertindole, ziprasidone or zotepine in people with schizophrenia or schizophrenia-like psychosis.
We extracted data independently. For continuous data, we calculated mean differences MD , again based on a random-effects model. The review currently includes 45 blinded RCTs with participants.
The number of RCTs available for each comparison varied: four studies compared risperidone with amisulpride, two with aripiprazole, 11 with clozapine, 23 with olanzapine, eleven with quetiapine, two with sertindole, three with ziprasidone and none with zotepine. Attrition from these studies was high
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