Iloperidone - oral
Iloperidone - oral
There may be a slightly increased risk of serious, possibly fatal side effects (such as stroke, heart failure, fast/irregular heartbeat, pneumonia) when this medication is used by older adults with dementia. This medication is not approved for the treatment of dementia-related behavior problems. Discuss the risks and benefits of this medication, as well as other effective and possibly safer treatments for dementia-related behavior problems, with the doctor.
If you are using iloperidone in combination with other medication to treat depression, also carefully read the drug information for the other medication.
This medication is used to treat certain mental/mood disorders (such as schizophrenia). Iloperidone helps you to think more clearly, feel less nervous, and take part in everyday life. It may also help to decrease hallucinations (hearing/seeing things that are not there). Iloperidone is a psychiatric medication that belongs to the class of drugs called atypical antipsychotics. It works by helping to restore the balance of certain natural substances in the brain.
This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional. Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.
This drug may also be used in combination with other medication for depression.
Take this medication by mouth with or without food as directed by your doctor, usually 2 times a day. Dosage is based on your medical condition, other drugs you are taking, and your response to treatment.
To reduce your risk of side effects from low blood pressure (such as dizziness, fainting, fast heartbeat), your doctor will start you on a low dose and gradually increase your dose until you are taking the best dose for you. It may take 1 to 2 weeks before you are taking your full dose. Follow your doctor's directions carefully.
Take this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day. If you miss or stop taking this medication for more than 3 days, do not restart taking this medication at the same dose without calling your doctor first. Your doctor may direct you to restart at a low dose and gradually increase the dose.
Continue taking this medication exactly as prescribed, even if you are feeling better and thinking more clearly. Do not increase your dose or take this drug more often than prescribed. Your symptoms will not improve any faster, and your risk of side effects will increase. Do not stop taking this medication without consulting your doctor.
Tell your doctor if your condition does not improve or if it worsens. It may take several weeks before you feel the full benefit of this medication.
See also How to Use section.
Drowsiness, dizziness, lightheadedness, dry mouth, tiredness, stuffy nose, and weight gain may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
This medication may cause a serious drop in blood pressure, especially when starting or increasing the dose. Dizziness and lightheadedness can increase the risk of falling. Get up slowly when rising from a sitting or lying position.
Tell your doctor right away if any of these rare but serious side effects occur:
Infrequently, this medication may cause face/muscle twitching and uncontrollable movements (tardive dyskinesia). In some cases, this condition may be permanent. Tell your doctor right away if you develop any uncontrollable movements such as lip smacking, mouth puckering, tongue thrusting, chewing, or unusual arm/leg movements.
This drug may rarely make your blood sugar rise, which can cause or worsen diabetes. Weight gain from this drug may increase the risk of this side effect. Tell your doctor right away if you have symptoms of high blood sugar such as increased thirst/urination. If you already have diabetes, check your blood sugar regularly as directed and share the results with your doctor. Your doctor may need to adjust your diabetes medication, exercise program, or diet.
In rare cases, iloperidone may increase your level of a certain substance made by the body (prolactin). For females, this increase in prolactin may result in unwanted breast milk, missed/stopped periods, or difficulty becoming pregnant. For males, it may result in decreased sexual ability, inability to produce sperm, or enlarged breasts. If you develop any of these symptoms, tell your doctor right away.
Rarely, males may have a painful or prolonged erection lasting 4 or more hours. If this occurs, stop using this drug and seek immediate medical attention, or permanent problems could occur.
Get medical help right away if you have any very serious side effects, such as:
This medication may rarely cause a very serious condition called neuroleptic malignant syndrome (NMS). Get medical help right away if you have any of the following symptoms:
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:
In the US -
See also Warning section.
Before taking iloperidone, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
Iloperidone may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can rarely cause serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away.
The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may cause QT prolongation. Before using iloperidone, tell your doctor or pharmacist of all the drugs you take and if you have any of the following conditions:
Low levels of potassium or magnesium in the blood may also increase your risk of QT prolongation. This risk may increase if you use certain drugs (such as diuretics/"water pills") or if you have conditions such as severe sweating, diarrhea, or vomiting. Talk to your doctor about using iloperidone safely.
This drug may make you dizzy or drowsy. Alcohol or marijuana (cannabis) can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness until you can do it safely. Avoid alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).
This medication may make you sweat less, making you more likely to get heat stroke. Avoid doing things that may cause you to overheat, such as hard work or exercise in hot weather, or using hot tubs. When the weather is hot, drink a lot of fluids and dress lightly. If you overheat, quickly look for a place to cool down and rest. Get medical help right away if you have a fever that does not go away, mental/mood changes, headache, or dizziness.
Older adults may be more sensitive to the side effects of this drug, especially drowsiness, dizziness, lightheadedness, and QT prolongation (see above). Drowsiness, dizziness, and lightheadedness can increase the risk of falling.
During pregnancy, this medication should be used only when clearly needed. Babies born to mothers who have used this drug during the last 3 months of pregnancy may rarely develop symptoms including muscle stiffness or shakiness, drowsiness, feeding/breathing difficulties, or constant crying. If you notice any of these symptoms in your newborn especially during their first month, tell the doctor right away.
Since untreated mental/mood problems (such as schizophrenia, depression) can be a serious condition, do not stop taking this medication unless directed by your doctor. If you are planning pregnancy, become pregnant, or think you may be pregnant, immediately discuss with your doctor the benefits and risks of using this medication during pregnancy.
It is unknown if this medication passes into breast milk. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (such as prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
Some products that may interact with this drug are:
Other medications can affect the removal of iloperidone from your body, which may affect how iloperidone works. Examples include HIV drugs (such as ritonavir), antidepressants (such as nefazodone), among others.
Many drugs besides iloperidone may affect the heart rhythm (QT prolongation), such as amiodarone, dofetilide, pimozide, procainamide, quinidine, sotalol, macrolide antibiotics (such as erythromycin), among others.
Tell your doctor or pharmacist if you are taking other products that cause drowsiness such as opioid pain or cough relievers (such as codeine, hydrocodone), alcohol, marijuana (cannabis), drugs for sleep or anxiety (such as alprazolam, lorazepam, zolpidem), muscle relaxants (such as carisoprodol, cyclobenzaprine), or antihistamines (such as cetirizine, diphenhydramine).
Do not share this medication with others.
Lab and/or medical tests (such as EKG, blood sugar, potassium/magnesium blood levels, blood pressure, weight, blood cholesterol/triglyceride levels) should be done while you are taking this medication. Keep all medical and lab appointments. Consult your doctor for more details.
See also How to Use section.
Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
Information last revised October 2018.
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