Pronunciation: PAL-ee-PER-i-done
Generic Name: Paliperidone
Brand Name: Invega
Invega Extended-Release Tablets are an atypical antipsychotic. It may increase the risk of death when used to treat mental problems caused by dementia in elderly patients. Most of the deaths were linked to heart problems or infection. Invega Extended-Release Tablets are not approved to treat mental problems caused by dementia.
Invega Extended-Release Tablets are used for:
Treating schizophrenia or schizoaffective disorder. It may also be used for other conditions as determined by your doctor.
Invega Extended-Release Tablets are an atypical antipsychotic. Exactly how it works is not known. It is thought to work by affecting certain substances in the brain.
Do NOT use Invega Extended-Release Tablets if:
- you are allergic to any ingredient in Invega Extended-Release Tablets or to risperidone
- you cannot swallow the tablet whole
- you have severe kidney problems
- you have a history of certain heart problems (eg, irregular heartbeat, long QT syndrome)
- you are taking medicines that may cause a certain type of irregular heartbeat (prolonged QT interval) (eg, antiarrhythmics, such as amiodarone, procainamide, quinidine, or sotalol; a phenothiazine, such as chlorpromazine or thioridazine; or quinolone antibiotics, such as gatifloxacin or moxifloxacin)
Contact your doctor or health care provider right away if any of these apply to you.
Before using Invega Extended-Release Tablets:
Some medical conditions may interact with Invega Extended-Release Tablets. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have a history of seizures, heart problems (eg, heart failure; fast, slow, or irregular heartbeat), an abnormal electrocardiogram (ECG), a heart attack, a stroke, blood vessel problems, low blood volume, low white blood cell levels, high blood cholesterol or triglyceride levels, or high or low blood pressure
- if you have a history of kidney problems, severe liver problems, stomach or bowel problems (eg, narrowing, inflammation, blockage), cystic fibrosis, neuroleptic malignant syndrome (NMS), suicidal thoughts or attempts, or alcohol abuse or dependence
- if you have diabetes or are very overweight, or if a family member has had diabetes
- if you have low blood potassium or magnesium levels, Alzheimer disease, dementia, Parkinson disease, diarrhea, or esophagus problems (eg, trouble swallowing)
- if you have had high blood prolactin levels or a history of certain types of cancer (eg, breast, pancreas, pituitary), or if you are at risk for breast cancer
- if you are dehydrated, drink alcohol, or will be exposed to high temperatures
Some MEDICINES MAY INTERACT with Invega Extended-Release Tablets. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Alpha-blockers (eg, doxazosin) or medicine for high blood pressure because the risk of low blood pressure and fainting may be increased
- Antiarrhythmics, (eg, amiodarone, flecainide, procainamide, quinidine, sotalol), arsenic, cisapride, dofetilide, domperidone, H1 antagonists (eg, astemizole, terfenadine), macrolides (eg, erythromycin), methadone, phenothiazines, (eg, chlorpromazine, thioridazine), quinolone antibiotics (eg, gatifloxacin, levofloxacin, moxifloxacin), streptogramins (eg, quinupristin/dalfopristin), or tyrosine kinase inhibitors (eg, nilotinib, sunitinib) because the risk of irregular heartbeat may be increased. Ask your doctor if you are unsure if any of your medicines might increase the risk of irregular heartbeat
- Anticholinergics (eg, scopolamine) because the risk of overheating may be increased
- Divalproex sodium, risperidone, or valproic acid because they may increase the risk of Invega Extended-Release Tablets's side effects
- Carbamazepine because it may decrease Invega Extended-Release Tablets's effectiveness
- Dopamine receptor agonists (eg, pramipexole) or levodopa because their effectiveness may be decreased by Invega Extended-Release Tablets
This may not be a complete list of all interactions that may occur. Ask your health care provider if Invega Extended-Release Tablets may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Invega Extended-Release Tablets:
Use Invega Extended-Release Tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take Invega Extended-Release Tablets by mouth with or without food. Take in the morning unless your doctor tells you otherwise.
- Swallow Invega Extended-Release Tablets whole. Do not break, crush, or chew before swallowing.
- Take Invega Extended-Release Tablets with a full glass of water (8 oz/240 mL).
- Drinking extra fluids while you are taking Invega Extended-Release Tablets are recommended. Check with your doctor for instructions.
- Taking Invega Extended-Release Tablets at the same time each day will help you remember to take it.
- Continue to take Invega Extended-Release Tablets even if you feel well. Do not miss any doses.
- If you miss a dose of Invega Extended-Release Tablets, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Invega Extended-Release Tablets.
Important safety information:
- Invega Extended-Release Tablets may cause drowsiness, dizziness, light-headedness, or blurred vision. These effects may be worse if you take it with alcohol or certain medicines. Use Invega Extended-Release Tablets with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Do not drink alcohol while you are taking Invega Extended-Release Tablets.
- Do not use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are taking Invega Extended-Release Tablets without checking with your doctor; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
- Invega Extended-Release Tablets may cause dizziness, light-headedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects.
- Do not become overheated in hot weather or while you are being active; heatstroke may occur.
- You may notice the tablet shell in your stool. This is normal and not a cause for concern.
- Invega Extended-Release Tablets may raise your blood sugar. High blood sugar may make you feel confused, drowsy, or thirsty. It can also make you flush, breathe faster, or have a fruit-like breath odor. If these symptoms occur, tell your doctor right away.
- Diabetes patients - Invega Extended-Release Tablets may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
- NMS is a possibly fatal syndrome that can be caused by Invega Extended-Release Tablets. Symptoms may include fever; stiff muscles; confusion; abnormal thinking; fast or irregular heartbeat; and sweating. Contact your doctor at once if you have any of these symptoms.
- Some patients who take Invega Extended-Release Tablets may develop muscle movements that they cannot control. This is more likely to happen in elderly patients, especially women. The chance that this will happen or that it will become permanent is greater in those who take Invega Extended-Release Tablets in higher doses or for a long time. Muscle problems may also occur after short-term treatment with low doses. Tell your doctor at once if you have muscle problems with your arms; legs; or your tongue, face, mouth, or jaw (eg, tongue sticking out, puffing of cheeks, mouth puckering, chewing movements) while taking Invega Extended-Release Tablets.
- Invega Extended-Release Tablets may lower the ability of your body to fight infection. Avoid contact with people who have colds or infections. Tell your doctor if you notice signs of infection like fever, sore throat, rash, or chills.
- Invega Extended-Release Tablets may increase the amount of a certain hormone (prolactin) in your blood. Symptoms may include enlarged breasts, missed menstrual period, decreased sexual ability, or nipple discharge. Contact your doctor right away if you experience any of these symptoms.
- Invega Extended-Release Tablets may rarely cause a prolonged, painful erection. This could happen even when you are not having sex. If this is not treated right away, it could lead to permanent sexual problems, such as impotence. Contact your doctor right away if this happens.
- Lab tests, including fasting blood sugar levels, complete blood cell counts, and blood cholesterol or lipid levels, may be performed while you take Invega Extended-Release Tablets. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- Invega Extended-Release Tablets may cause weight gain. Your weight may need to be monitored while you take Invega Extended-Release Tablets.
- Use Invega Extended-Release Tablets with caution in the ELDERLY; they may be more sensitive to its effects, especially uncontrolled muscles movements.
- Invega Extended-Release Tablets should be used with extreme caution in CHILDREN younger than 12 years old when used for schizophrenia and in children younger than 18 years old when used for schizoaffective disorder; safety and effectiveness in these children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of taking Invega Extended-Release Tablets while you are pregnant. Taking Invega Extended-Release Tablets during the third trimester may result in uncontrolled muscle movements or withdrawal symptoms in the newborn. Discuss any questions or concerns with your doctor. Invega Extended-Release Tablets are found in breast milk. If you are or will be breast-feeding while you take Invega Extended-Release Tablets, check with your doctor. Discuss any possible risks to your baby.
Possible side effects of Invega Extended-Release Tablets:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Constipation; dizziness; drowsiness; dry mouth; headache; indigestion; light-headedness; restlessness; sore throat; weight gain.
Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue; unusual hoarseness); abnormal thoughts; behavior changes; chest pain; confusion; decreased sexual ability; decreased urination; enlarged breasts; fainting; fast or irregular heartbeat; fever, chills, or persistent sore throat; increased saliva production or drooling; increased sweating; mental or mood changes; missed menstrual period; muscle pain, weakness, or stiffness; nipple discharge; prolonged, painful erection; seizures; severe or prolonged dizziness or headache; shortness of breath; suicidal thoughts or attempts; symptoms of high blood sugar (eg, increased thirst, hunger, or urination; unusual weakness); tremor; trouble concentrating, speaking, or swallowing; trouble sitting still; trouble walking or standing; uncontrolled muscle movements (eg, arm or leg movements, twitching of the face or tongue, jerking or twisting); unusual eye movements.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
See also: Invega side effects (in more detail)
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include fainting; fast or irregular heartbeat; loss of consciousness; seizures; severe drowsiness or dizziness; stiffness of the face, limbs, or neck; trouble walking; unusual muscle movement.
Proper storage of Invega Extended-Release Tablets:
Store Invega Extended-Release Tablets at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Invega Extended-Release Tablets out of the reach of children and away from pets.
General information:
- If you have any questions about Invega Extended-Release Tablets, please talk with your doctor, pharmacist, or other health care provider.
- Invega Extended-Release Tablets are to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information is a summary only. It does not contain all information about Invega Extended-Release Tablets. If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.
More Invega resources
- Invega Side Effects (in more detail)
- Invega Use in Pregnancy & Breastfeeding
- Drug Images
- Invega Drug Interactions
- Invega Support Group
- 15 Reviews for Invega - Add your own review/rating
Compare Invega with other medications
- Bipolar Disorder
- Depression
- Schizoaffective Disorder
- Schizophrenia
No comments:
Post a Comment