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. Talk with your doctor about other drug options that may work for you. Disclaimer: Healthline has made every effort to make certain that all information is factually correct, comprehensive, and up to date.
However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or other healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects.
The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.
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What should I know about storage and disposal of this medication? Brand names. Other uses for this medicine. What special precautions should I follow? Before taking risperidone, tell your doctor and pharmacist if you are allergic to risperidone or any other medications.
Be sure to mention any of the following: antidepressants; carbamazepine Tegretol ; cimetidine Tagamet ; clozapine Clozaril ; dopamine agonists such as bromocriptine Parlodel , cabergoline Dostinex , levodopa Dopar, Larodopa , pergolide Permax , and ropinirole Requip ; medications for anxiety, high blood pressure, or seizures; other medications for mental illness; paroxetine Paxil ; phenobarbital Luminal, Solfoton ; phenytoin Dilantin ; quinidine Quinaglute, Quinidex ; ranitidine Zantac ; rifampin Rifadin, Rimactane ; sedatives; sleeping pills; tranquilizers; and valproic acid Depakote, Depakene.
Your doctor may need to change the doses of your medications or monitor you carefully for side effects. Also tell your doctor if you have ever had to stop taking a medication for mental illness because of severe side effects.
Tell your doctor if you have severe vomiting or diarrhea or signs of dehydration now, or if you develop these symptoms at any time during your treatment. If you become pregnant while taking risperidone, call your doctor. Risperidone may cause problems in newborns following delivery if it is taken during the last months of pregnancy.
Do not drive a car or operate machinery until you know how this medication affects you. Do not drink alcohol while taking risperidone. If you have schizophrenia, you are more likely to develop diabetes than people who do not have schizophrenia, and taking risperidone or similar medications may increase this risk.
Tell your doctor immediately if you have any of the following symptoms while you are taking risperidone: extreme thirst, frequent urination, extreme hunger, blurred vision, or weakness. It is very important to call your doctor as soon as you have any of these symptoms, because high blood sugar that is not treated can cause a serious condition called ketoacidosis.
Ketoacidosis may become life-threatening if it is not treated at an early stage. Symptoms of ketoacidosis include dry mouth, upset stomach and vomiting, shortness of breath, breath that smells fruity, and decreased consciousness. It should be administered by your health care professional through an injection under the skin of your abdominal area. After receiving the injection, you may have a lump for several weeks that will decrease in size over time.
It is important that you not rub or massage the injection site and to be aware of the placement of any belts or clothing waistbands. If you miss a dose of risperidone, take it as soon as you remember, unless it is closer to the time of your next dose. Discuss this with your healthcare provider.
Do not double your next dose or take more than what is prescribed. Avoid drinking alcohol or using illegal drugs while you are taking risperidone. They may decrease the benefits e. If an overdose occurs call your doctor or You may need urgent medical care. You may also contact the poison control center at Sedation, drowsiness, extrapyramidal symptoms, insomnia, fatigue, headache, anxiety, dizziness, drooling, restlessness, increased prolactin, weight gain, increased appetite, vomiting, constipation, upper abdominal pain, nausea, urinary incontinence, tremor, cold symptoms, cough, runny nose, fever.
Risperidone may increase the blood levels of a hormone called prolactin. Side effects of increased prolactin levels include females losing their period, production of breast milk and males losing their sex drive or possibly experiencing erectile problems.
Long term months or years of elevated prolactin can lead to osteoporosis, or increased risk of bone fractures.
Some people may develop muscle related side effects while taking risperidone. Symptoms of EPS include restlessness, tremor, and stiffness. TD symptoms include slow or jerky movements that one cannot control, often starting in the mouth with tongue rolling or chewing movements. Temperature regulation: Impaired core body temperature regulation may occur; caution with strenuous exercise, heat exposure, and dehydration. Second generation antipsychotics SGAs increase the risk of weight gain, high blood sugar, and high cholesterol.
This is also known as metabolic syndrome. Your healthcare provider may ask you for a blood sample to check your cholesterol, blood sugar, and hemoglobin A1c a measure of blood sugar over time while you take this medication. Information on healthy eating and adding exercise to decrease your chances of developing metabolic syndrome may be found at the following sites:.
SGAs have been linked with higher risk of death, strokes, and transient ischemic attacks TIAs in elderly people with behavior problems due to dementia. All antipsychotics have been associated with the risk of sudden cardiac death due to an arrhythmia irregular heartbeat.
To minimize this risk, antipsychotic medications should be used in the smallest effective dose when the benefits outweigh the risks. Your doctor may order an EKG to monitor for irregular heartbeat. Symptoms include confusion, fever, extreme muscle stiffness, and sweating. If any of these symptoms occur, contact your healthcare provider immediately. All antipsychotics can cause sedation, dizziness, or orthostatic hypotension a drop in blood pressure when standing up from sitting or lying down.
Risperidone can increase the level of a natural hormone called prolactin in the body. Prolactin is produced at low levels in men. Will it affect my ability to play sports? Risperidone is not a banned substance in sport. Don't worry - most people play sports as normal while taking risperidone. Will it affect my ability to take exams?
Try not to take risperidone for the first time just before your exams. You should talk to your doctor about any future exams if you are starting risperidone. You might decide together to delay starting it until you have done them.
Don't worry - most people take exams as normal while taking risperidone. Your doctor should know. You need to talk to your doctor or pharmacist before starting treatment with risperidone if any of the following apply to you: you have any heart problems you have epilepsy you have diabetes you have had a blood clot, or anyone in your family has had one you have ever had unusual movements of your tongue, mouth or face you have kidney or liver problems you or someone in your family has had a stroke or is at risk of a stroke you have ever had a condition known as neuroleptic malignant syndrome NMS whose symptoms include high temperature, muscle stiffness and sweating you have a condition called porphyria ask your doctor — if you have it, it should be on your records you have ever had an erection that lasted for more than a few hours and was very painful priapism.
Uses, warnings, safety and side effects. Taking risperidone Warnings and safety Side effects Taking risperidone How long will I need to take risperidone for? You and your doctor should talk about how long you need to take risperidone. Young people taking risperidone for conduct disorders will usually only take it for six weeks. You should only take risperidone as agreed with your doctor. Risperidone can be taken with or without food. What if I miss a dose? If you remember later during the day, take it as soon as possible.
Do not take a double dose. It is very important to have the injection every two weeks. What will happen if I forget to take my risperidone? Stopping the use of risperidone. Stopping the medication causes the balance of chemicals in the brain to alter. You will probably get your old symptoms back if you stop risperidone suddenly.
If you are thinking of stopping or want to stop, talk to your doctor and they can help. Warnings and safety Safety headlines. When to go to the hospital. This might be a blood clot a sudden change in your mental state, or difficulty with your memory sudden weakness or numbness of your face, arms or legs, especially on one side, or slurred speech, even for a short period of time. This may be a stroke fever, muscle stiffness, sweating or a loss of consciousness a problem called neuroleptic malignant syndrome if you get a painful erection that lasts more than a couple of hours priapism movements of the tongue, mouth and face that you cannot control — this could be a condition called tardive dyskinesia.
Side effects Side effects. Very common side effects of taking risperidone affecting more than one in ten people include: headache - speak to your pharmacist about treatments to help dizziness or low blood pressure - try not to stand up too quickly or sit or lie down if you're feeling dizzy movement problems, sometimes called extra-pyramidal side effects EPSEs.
This is a medical term that includes many symptoms relating to movement. Symptoms include: muscle stiffness or tightness; jerks when bending your arms and legs; your movements might feel a bit robotic; shakiness in your hands and legs; and feeling restless all the time and needing to move around.
If you develop EPSEs, your doctor may decrease your dose or give you other treatments to help Common side effects of taking risperidone affecting up to one in ten people include: feeling sleepy, tired, weak or exhausted - this can be worse at the start of treatment and wear off after a few weeks. If you take your dose once daily, you could try taking it just before you go to bed nausea feeling sick or vomiting being sick - try taking your dose with food diarrhoea loose poo - make sure you drink lots of water and speak to your doctor or pharmacist if it continues for more than a few days constipation finding it hard to poo - make sure you drink enough fluids, eat enough fibre like brown breads, fruit and veg and do enough exercise.
Speak to your pharmacist if this goes on for a few more days than is normal for you increased appetite, decreased appetite or eating less, weight gain or weight loss — try to eat lots of veg and fibre when you can.
Speak to your pharmacist or doctor for advice on healthy foods heartburn, abdominal gut pain or discomfort higher level of a hormone called prolactin. This can cause periods to stop, or milk to leak from your breasts. It can also cause trouble getting an erection. Speak to you doctor if you get any of these symptoms and they can check your prolactin level with a simple blood test.
Young people and children aged are more likely than adults to get the following side effects: feeling tired, sleepy, or less focused headache increased appetite vomiting being sick getting cold symptoms like a blocked nose and cough abdominal gut pain fever dizziness and shaking diarrhoea loose poo and incontinence less control over when you wee.
Taking risperidone Taking risperidone How long will I need to take risperidone for? Warnings and safety Warnings and safety Safety headlines. Side effects Side effects Side effects. About this information. College of Mental Health Pharmacy. More information and advice. Getting support with your medication. Website by Element78 opens in new window.
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