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Risperdal Consta Consumer (continued)
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 right away if you have any side effects, including: 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), breast lumps, change in amount of urine.
Get medical help right away if any of these rare but very serious side effects occur: chest pain, fainting, numbness in the face/arms/legs.
For males, in the very unlikely event you have a painful or prolonged erection lasting 4 or more hours, stop using this drug and get medical help right away, 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 get medical help right away 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.
Read the Risperdal Consta (risperidone) Side Effects Center for a complete guide to possible side effects »
PRECAUTIONS: 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. Do not stop taking this medication unless directed by your doctor. Babies born to mothers who have used this drug during the last 3 months of pregnancy may infrequently develop symptoms including muscle stiffness or shakiness, drowsiness, feeding/breathing difficulties, or constant crying. If you notice any of these symptoms in your newborn anytime during their first month, tell the doctor right away.
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.
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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