Risperdal Consta

Risperidone is used to treat certain mental/mood disorders (schizophrenia, bipolar disorder). This medication can help you to think clearly and function in daily life. This is a psychiatric medication (antipsychotic-type) that works by helping to restore the balance of certain natural substances in the brain (neurotransmitters).

If you miss a dose, contact your doctor or pharmacist to establish a new dosing schedule. Do not double the dose to catch up.

Use this medication exactly as prescribed. This drug is given by intramuscular injection (IM) into the buttock by a healthcare professional once every two weeks. Injections should alternate between the two buttocks. Once the medication has been prepared, shake well before injecting. Do not give by injection into a vein (intravenously or IV). Injected risperidone may take up to three weeks to begin working. During this time, you should still take the oral form of this drug or another medication for your condition by mouth. After three weeks, your doctor should have you stop taking the oral form, but follow the directions provided. The dosage is based on your medical condition and response to therapy. Continue to take this medication as directed, even if you are feeling better and thinking more clearly.

Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first. This drug should not be used with the following medication because a very serious interaction may occur: sibutramine. If you are currently using the medication listed above, tell your doctor or pharmacist before starting risperidone. Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of: antidepressants (e.g., fluoxetine, paroxetine), high blood pressure medicine (e.g., beta-blockers such as propranolol, alpha-blockers such as doxazosin or prazosin), medications for Parkinson's disease (e.g., levodopa). Many drugs besides risperidone may affect the heart rhythm (QT prolongation), including amiodarone, dofetilide, pimozide, procainamide, quinidine, sotalol, macrolide antibiotics (such as erythromycin), thioridazine, sparfloxacin, among others. Therefore, before using risperidone, report all medications you are currently using to your doctor or pharmacist Tell your doctor of any drugs that cause drowsiness such as medicine for sleep (e.g., sedatives), tranquilizers, anti-anxiety drugs (e.g., diazepam), narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., phenothiazines such as chlorpromazine, or tricyclics such as amitriptyline), anti-seizure drugs (carbamazepine), muscle relaxants, antihistamines that cause drowsiness (e.g., diphenhydramine). Check all labels on all your medicines (e.g., cough-and-cold products) because they may contain drowsiness-causing ingredients. Ask you pharmacist about the safe use of those products. This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA) or 1-800-668-1507 (Canada).

Do not share this medication with others. Laboratory and/or medical tests (e.g., fasting blood sugar-FBS, weight, blood pressure, blood cholesterol/triglyceride levels) should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details.

If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include unusual drowsiness; fast heartbeat; unusual muscle movements or stiffness of the face, neck, or limbs; seizure; or loss of consciousness.

Before using risperidone, 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: liver disease, kidney disease, low blood pressure, seizures, Parkinson's disease, memory problems (dementia), difficulty swallowing (especially in patients with dementia or Alzheimer's disease), stroke (cerebrovascular disease), dehydration, breast cancer, low white blood cell count. (See also Side Effects section.) Also tell your doctor or pharmacist if either you or a family member has a history of the following: diabetes, heart disease (e.g., history of heart attack or ischemia, arrhythmias), high blood cholesterol/triglyceride levels, high blood pressure, obesity. Risperidone may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can infrequently result in serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that require immediate medical attention. The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may affect the heart rhythm (see also Drug Interactions section). Before using risperidone, tell your doctor or pharmacist if you have any of the following conditions: certain heart problems (heart failure, slow heartbeat, QT prolongation in the EKG), family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death). 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 risperidone safely. This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Avoid alcoholic beverages. This medication can reduce sweating. Heatstroke may occur if you become overheated during exercise or other physical activity or in hot weather. Drink plenty of liquids to avoid the risk of heatstroke. Caution is advised when using this drug in the elderly because they may be more sensitive to its effects especially the lowering of blood pressure. This medication should be used only when clearly needed during pregnancy or if planning pregnancy within 12 weeks following the last shot of this drug. Discuss the risks and benefits with your doctor. If this medication is used during the last 3 months of pregnancy, infrequently your newborn may develop symptoms including muscle stiffness or shakiness. Report any unusual symptoms to your doctor promptly. This drug passes into breast milk. Therefore, breast-feeding is not recommended while using this drug and for at least 12 weeks following the last shot of this drug.

Refrigerate between 36 and 46 degrees F (2-8 degrees C) away from light. This drug may be stored at room temperature below 77 degrees F (25 degrees C) for up to 7 days. Once prepared, this drug should be injected immediately. If not injected within two minutes, the drug should be shaken again prior to injecting. After mixing, this product is stable at room temperature (below 77 degrees F; 25 degrees C) for 6 hours. Discard any unused portion of the vial. Keep all medicines away from children and pets. Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.

Dizziness, drowsiness, fatigue, dry mouth, indigestion, constipation, runny nose, weight gain or loss, acne, dry skin, or redness/swelling/pain at the injection site may occur. If any of these effects persist or worsen, contact your doctor or pharmacist promptly. To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position. Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. Tell your doctor immediately if any of these serious side effects occur: severe dizziness, fast/pounding/irregular heartbeat, mental/mood changes, tremor, fever, muscle stiffness/spasms/twitching, sweating, uncontrolled muscle movements (e.g., tongue and facial muscles), drooling, difficulty swallowing, seizures, frequent falls, signs of infection (such as fever, persistent sore throat). Tell your doctor immediately if any of these unlikely but serious side effects occur: breast lumps, change in amount of urine. Seek immediate medical attention if any of these rare but very serious side effects occur: chest pain, fainting, weakness on one side of the body, numbness in the face/arms/legs, sudden vision changes, slurred speech, confusion. For males, in the very unlikely event you have a painful or prolonged erection lasting 4 or more hours, stop using this drug and seek immediate medical attention, or permanent problems could occur. This medication may in rare instances increase your blood level of a certain hormone (prolactin). In females, an increase in prolactin levels may result in unwanted breast milk, the end of menstruation or difficulty becoming pregnant. In 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 immediately. This drug may infrequently make your blood sugar level rise, therefore causing or worsening diabetes. This high blood sugar can rarely cause serious conditions such as diabetic coma. Tell your doctor immediately if you develop symptoms of high blood sugar, such as unusual increased thirst and urination. If you already have diabetes, be sure to check your blood sugar level regularly. This drug may also cause significant weight gain and a rise in your blood cholesterol (or triglyceride) levels. These effects, along with diabetes, may increase your risk for developing heart disease. Discuss the risks and benefits of treatment with your doctor. (See also Notes section.) A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

There may be a slightly increased risk of serious, possibly fatal side effects (e.g., stroke, heart failure) when this medication is used in elderly patients with dementia. Discuss the risks and benefits of this medication, as well as other effective and possibly safer treatments for dementia-related behavior problems, with your doctor.