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News on Risperdal (risperidone)

Johnson & Johnson Loses Risperdal Suit in Louisiana - New York Times

Johnson & Johnson Loses Risperdal Suit in LouisianaNew York Times... Johnson owed the state nearly $258 million for misleading Louisiana doctors about the possible side effects of Risperdal, an antipsychotic medication. ...J&J Told to Pay $257.7 Million Over Risperdal Marketing TacticsBusinessWeekLouisiana jury tags J&J with $257M Risperdal verdictFiercePharmaJohnson & Johnson ordered to pay $258M to La.BusinessWeekall 130 news articles��

Risperdal Lawsuit Results in $258M Verdict for Misleading Marketing - AboutLawsuits.com

Legal News LineRisperdal Lawsuit Results in $258M Verdict for Misleading MarketingAboutLawsuits.comA Louisiana jury has issued a $257.7 million verdict against Johnson & Johnson for making misleading claims about its antipsychotic drug Risperdal in ...La. jury reaches $258M verdict in Risperdal caseLegal News LineJ&J to appeal massive Risperdal illegal marketing awardPharma TimesLouisiana Prevails in Pharmaceutical Marketing CaseInsurance JournalOpelousas Daily World�-Becker's ASC Review�-Law.comall 12 news articles��

J&J asks judge to toss Omnicare kickbacks case - FiercePharma

WISC MadisonJ&J asks judge to toss Omnicare kickbacks caseFiercePharmaBut government lawyers maintain that the discounts amount to kickbacks because doctors who were encouraged to prescribe Risperdal didn't know about ...Johnson & Johnson asks judge to toss kickback caseThe Associated PressJ&J asks judge to dismiss casePharmacy Europeall 186 news articles��

Alkermes to Host Conference Call to Discuss Financial Results for Second ... - MarketWatch (press release)

Alkermes to Host Conference Call to Discuss Financial Results for Second ...MarketWatch (press release)Alkermes developed, manufactures and commercializes VIVITROL(R) for alcohol and opioid dependence and manufactures RISPERDAL(R) CONSTA(R) for schizophrenia ...Alkermes to Host Conference Call to Discuss Financial Results for Second ...TradersHuddle.com (press release)all 8 news articles��

Risperdal (risperidone)

Last updated on: Jan 24, 2007

What is Risperdal?

Risperdal is in a class of medications called atypical antipsychotics. Antipsychotic medicines are used to treat symptoms of schizophrenia that may include hearing voices, seeing things, or sensing things that are not there, mistaken beliefs or unusual suspiciousness.
Risperdal may be used alone or with lithium or divalproex for short-term treatment of mixed or manic episodes in adults who have a condition called Bipolar I disorder. Bipolar disorder is a mental illness that causes extreme mood swings.

What are The Risks?

The following are the major potential risks and side effects of Risperdal therapy. However, this list is not complete.

Risperdal and other antipsychotic medications can cause serious problems such as:

A life-threatening nervous system problem called neuroleptic malignant syndrome (NMS). NMS can cause a high fever, stiff muscles, sweating, a fast or irregular heart beat, change in blood pressure, and confusion. NMS can affect your kidneys. NMS is a medical emergency. Call your healthcare professional right away if you experience these symptoms.
A movement problem called tardive dyskinesia (TD). Call your healthcare professional right away if you get muscle movements that cannot be stopped.
High blood sugar and diabetes. Patients with diabetes or who have a higher chance for diabetes should have their blood sugar checked often.
Strokes have happened in older patients treated for mental illness from dementia. Risperdal is not approved for this use. See FDA Alert.
Other serious side effects may include low blood pressure seen as dizziness, increased heart beat and possibly fainting, seizures, persistent erection, thrombotic thrombocytopenic purpura (seen as fever and bruising), increase or decrease in body temperature, and difficulty swallowing.
The most common side effects include anxiety, uncontrolled movements, constipation, nausea, upset stomach, runny nose, rash, vision changes, saliva increase, abdominal pain, inability to control urination, weight gain.

What Should I Tell My Healthcare Professional?

Before you start taking Risperdal, tell your healthcare professional if you:

have or had heart problems
have or have had seizures.
have or had diabetes or increased blood sugar
have or had liver disease
have an obstruction of your intestines
have Reye?s syndrome
have a brain tumor
are trying to become pregnant, are already pregnant, or are breast-feeding.
drink alcohol
have a condition called phenylketonuria

Are There Any Interactions With Drugs or Foods?

Because certain other medications can interact with Risperdal, review all medications that you are taking with your healthcare professional, including those that you take without a prescription.

Your healthcare professional may have to adjust your dose or watch you more closely if you take the following medications:

blood pressure medicines
levodopa and medicines called dopamine agonists
clozapine
carbamazepine
phenytoin
rifampin
phenobarbital
fluoxetine and paroxetine

Avoid drinking alcohol while taking Risperdal.

Is There Anything Else I Need to Know?

Dizziness, and sometimes fainting, caused by a drop in blood pressure may happen with Risperdal, especially when you first start taking this medicine or when the dose is increased.
Risperdal may impair judgment, thinking, or motor skills. You should be careful in operating machinery, including automobiles, until you know how Risperdal affects you.
It is important to avoid overheating and dehydration while taking Risperdal. Risperdal may make it harder to lower your body temperature.

This information is provided by the U.S. Food & Drug Administration.
For more information about this drug, click here.