HEALTH GUIDE REFERENCE FROM A.D.A.M
There may be other brand names for this medicine.
When This Medicine Should Not Be Used
You should not receive this medicine if you have had an allergic reaction to risperidone.
How to Use This Medicine
- Your doctor will prescribe your exact dose and tell you how often it should be given. This medicine is given as a shot into one of your muscles.
- A nurse or other trained health professional will give you this medicine.This medicine is usually given every 2 weeks.
If a dose is missed:
- This medicine needs to be given on a fixed schedule. If you miss a dose or forget to use your medicine, call your doctor or pharmacist for instructions.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- There are many other medicines that you should not use while you are taking risperidone. Taking risperidone with certain other medicines may be dangerous, even life-threatening. Make sure your doctor and your pharmacist knows about all other medicines you are using.
- Make sure your doctor knows if you are taking carbamazepine (Tegretol®), cimetidine, furosemide (Lasix®), levodopa, fluoxetine (Prozac®), paroxetine (Paxil®), phenobarbital, ranitidine, or valproate (Depakene®, Depakote®). Tell your doctor if you are using clozapine (Clozaril®), quinidine, phenytoin (Dilantin®), or rifampin (Rifadin®). Make sure your doctor knows if you are also using medicine to lower blood pressure. Some blood pressure medicines are atenolol, hydrochlorothiazide (HCTZ), lisinopril, metoprolol, quinapril, Accupril®, Cozaar®, Diovan®, Lotrel®, Norvasc®, Toprol®, and Zestril®.
- Tell your doctor if you are using any medicines that make you sleepy. These include sleeping pills, cold and allergy medicine, narcotic pain relievers, and sedatives.
- Do not drink alcohol while you are using this medicine.
Warnings While Using This Medicine
- Make sure your doctor knows if you are pregnant or breast feeding. Tell your doctor if you plan to become pregnant while you are using this medicine, or during the 12 weeks after you stop using it. Tell your doctor if you have a history of liver disease, kidney disease, stroke, or breast cancer. Make sure your doctor knows if you have heart problems, Parkinson's disease, seizures, or trouble swallowing.
- Tell your doctor if you have ever had Neuroleptic Malignant Syndrome (NMS) caused by other antipsychotic medicines.
- This medicine may cause an increase in your blood sugar. If you have diabetes, you may need to check your blood sugar more often. If you are using medicine for diabetes, your doctor may need to change your dose.
- This medicine is not approved to treat behavior disorders in older people who have dementia. Using this medicine to treat this problem could increase the risk of death. This risk has not been shown for the approved uses of this medicine.
- Some side effects are more likely to happen in elderly people who have memory problems or other reduced mental skills. Make sure the doctor knows if the person who will be using this medicine has Alzheimer's disease or similar problems (often called "dementia").
- This medicine may make you dizzy, lightheaded, or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert. Change positions slowly when getting up from a lying or sitting position.
- This medicine might reduce how much you sweat. Your body could get too hot if you do not sweat enough. If your body gets too hot, you might feel dizzy, weak, tired, or confused. You might vomit or have an upset stomach. Do not get too hot while you are exercising. Avoid places that are very hot. Call your doctor if you are too hot and cannot cool down.
- Your doctor will need to check your progress at regular visits while you are using this medicine. Be sure to keep all appointments.
Possible Side Effects While Using This Medicine
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing.
- Change in how much or how often you urinate.
- Constant muscle movement that you cannot control (often in your lips, tongue, arms, or legs).
- Dry mouth, increased thirst, muscle cramps, nausea or vomiting.
- Fast, slow, irregular (uneven), or pounding heartbeat.
- Fever, sweating, confusion, muscle stiffness.
- Lightheadedness, fainting, or seizures.
- Numbness or weakness in your arm or leg, or on one side of your body.
- Sudden or severe headache, problems with vision, speech, or walking.
- Twitching or muscle movements you cannot control (often in your eyes, jaw, neck or upper body).
- Unusual bleeding, bruising, or weakness.
- Yellowing of your skin or the whites of your eyes.
If you notice these less serious side effects, talk with your doctor:
- Anxiety, depression, agitation, or nervousness.
- Constipation, or upset stomach.
- Dry mouth, or drooling.
- Pain, muscle aches, weakness, or tiredness.
- Pain, swelling, or a lump under your skin where the shot is given.
- Stuffy nose.
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