Risperdal Consta


Generic Name: risperidone (injection) (ris PER i done)
Brand Names: Risperdal Consta

What is Risperdal Consta?

Risperdal Consta (risperidone) is an antipsychotic medication. It works by changing the effects of chemicals in the brain.

Risperdal Consta injection is used to treat schizophrenia and symptoms of bipolar disorder (manic depression).

Risperdal Consta may also be used for purposes not listed in this medication guide.

Important information

Risperdal Consta is not for use in psychotic conditions related to dementia. Risperdal Consta may cause heart failure, sudden death, or pneumonia in older adults with dementia related conditions.

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While you are taking Risperdal Consta, you may be more sensitive to temperature extremes such as very hot or cold conditions. Avoid getting too cold, or becoming overheated or dehydrated. Drink plenty of fluids, especially in hot weather and during exercise. It is easier to become dangerously overheated and dehydrated while you are taking this medication. Risperdal Consta can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert.

Before taking this medicine

You should not use Risperdal Consta if you are allergic to risperidone.

To make sure Risperdal Consta is safe for you, tell your doctor if you have:

  • heart disease, high blood pressure, heart rhythm problems;

  • coronary artery disease or recent heart attack;

  • diabetes;

  • liver or kidney disease;

  • high cholesterol or triglycerides (a type of fat in the blood);

  • a history of seizures;

  • trouble swallowing; or

  • Parkinson's disease.

Some people with mental illnesses have thoughts about suicide. Your doctor will need to check your progress at regular visits while you are using Risperdal Consta. Your family or other caregivers should also be alert to changes in your mood or symptoms.

FDA pregnancy category C. It is not known whether Risperdal Consta will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while receiving risperidone injections or within 12 weeks after you stop using this medicine.

See also: Pregnancy and breastfeeding warnings (in more detail)

Using antipsychotic medication during the last 3 months of pregnancy may cause problems in the newborn, such as withdrawal symptoms, breathing problems, feeding problems, fussiness, tremors, and limp or stiff muscles. However, you may have withdrawal symptoms or other problems if you stop using your medicine during pregnancy. Tell your doctor if you become pregnant while receiving Risperdal Consta injections.

Risperidone can pass into breast milk and may harm a nursing baby. Do not breast-feed while using Risperdal Consta and for at least 12 weeks after your treatment ends.

How is Risperdal Consta given?

Risperdal Consta is injected into a muscle. A healthcare provider will give you this injection.

Risperdal Consta is usually given once every 2 weeks. You may also need to take risperidone by mouth in pill or liquid form during the first 3 weeks of your treatment with Risperdal Consta injections. Follow your doctor's instructions.

While you are receiving Risperdal Consta, you may be more sensitive to temperature extremes such as very hot or cold conditions. Avoid getting too cold, or becoming overheated or dehydrated. Drink plenty of fluids, especially in hot weather and during exercise.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid?

Risperdal Consta may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.

Avoid drinking alcohol. It may increase certain side effects of risperidone.

Risperdal Consta side effects

Get emergency medical help if you have any of these signs of an allergic reaction to Risperdal Consta: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • a serious neurologic reaction--very stiff (rigid) muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, feeling like you might pass out;

  • rapid weight gain;

  • mask-like appearance of the face, trouble swallowing, problems with speech, twitching or uncontrollable muscle movements;

  • low white blood cells--sudden weakness or ill feeling, fever, chills, sore throat, mouth sores, red or swollen gums, trouble swallowing, skin sores, cold or flu symptoms, cough, trouble breathing;

  • low levels of platelets in your blood--easy bruising, unusual bleeding (nose, mouth, vagina, or rectum), purple or red pinpoint spots under your skin;

  • high blood sugar--increased thirst, increased urination, hunger, dry mouth, fruity breath odor, drowsiness, dry skin, blurred vision, weight loss;

  • breast swelling or tenderness (in men or women), impotence, nipple discharge, lack of interest in sex, missed menstrual periods; or

  • penis erection that is painful or lasts 4 hours or longer.

Common Risperdal Consta side effects may include:

  • headache;

  • anxiety, agitation, depressed mood;

  • dizziness, drowsiness, tired feeling;

  • dry mouth, upset stomach, constipation;

  • muscle weakness, limp feeling; or

  • pain in your arms or legs.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

See also: Side effects (in more detail)

What other drugs will affect Risperdal Consta?

Taking this medicine with other drugs that make you sleepy can worsen these effects. Ask your doctor before taking Risperdal Consta with a sleeping pill, narcotic pain medicine, muscle relaxer, or medicine for anxiety, depression, or seizures.

Other drugs may interact with risperidone, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

Where can I get more information?

  • Your pharmacist can provide more information about Risperdal Consta.
  • Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Risperdal Consta only for the indication prescribed.
  • Disclaimer: Every effort has been made to ensure that the information provided by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. Multum information has been compiled for use by healthcare practitioners and consumers in the United States and therefore Multum does not warrant that uses outside of the United States are appropriate, unless specifically indicated otherwise. Multum's drug information does not endorse drugs, diagnose patients or recommend therapy. Multum's drug information is an informational resource designed to assist licensed healthcare practitioners in caring for their patients and/or to serve consumers viewing this service as a supplement to, and not a substitute for, the expertise, skill, knowledge and judgment of healthcare practitioners. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

Copyright 1996-2014 Cerner Multum, Inc. Version: 1.03. Revision Date: 2014-01-13, 4:46:57 PM.