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News on Clozaril (clozapine)

Investigation into Clozapine Recommended by a Coroner - TopNews New Zealand

TopNews New ZealandInvestigation into Clozapine Recommended by a CoronerTopNews New ZealandA coroner after examining the death of a woman in her late 50's has recommended the monitoring of patients who are being administered clozapine. ...Blood monitoring of drug advocated after Napier deathHawke's Bay TodayStronger monitoring of patients recommendedNewstalk ZBStronger supervision of patients recommendedTopNews Singapore (press release)all 4 news articles��

Combining High-Yield CBT Methods and Pharmacotherapy in Brief Sessions - Psychiatric Times

Combining High-Yield CBT Methods and Pharmacotherapy in Brief SessionsPsychiatric TimesShe was receiving high-dose clozapine and reported full adherence with the medication regimen. Her psychiatrist monitored the treatment with clozapine ...Combining High-Yield CBT Methods and Pharmacotherapy in Brief SessionsPsychiatric Timesall 2 news articles��

Accurate Diagnosis of Dementia Type Crucial for Treatment, Future Interventions - Medscape

Accurate Diagnosis of Dementia Type Crucial for Treatment, Future InterventionsMedscapeHowever severe adverse effects "have rarely been observed" when patients with DLB were treated with the atypical antipsychotics quetiapine and clozapine. ...

Why was a drug-abusing schizophrenic left free to kill my son? And why will no ... - Daily Mail

Daily MailWhy was a drug-abusing schizophrenic left free to kill my son? And why will no ...Daily MailBarbara says this was a mistake because it did not have staff dedicated to ensuring he continued taking his prescribed drug, Clozapine – a powerful anti- ...

Clozaril (clozapine)

Last updated on: Jan 24, 2007

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

What is Clozapine?

Clozapine is a prescription medicine used to treat people with severe forms of schizophrenia that have not responded to or cannot take other treatments. Clozapine is also used to lower the risk of suicidal behavior in people with schizophrenia or schizoaffective disorder. Clozapine is not approved for use in children.

Who Should Not Take Clozapine?

You should not take clozapine if:

You are taking other medicines that can cause the same serious bone marrow side effects as clozapine.
You can ask your healthcare professional for a complete list of these medications.

What are The Risks?

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

Clozapine can cause serious problems such as:

Agranulocytosis, a potentially life-threatening reaction where the body?s bone marrow does not produce enough white blood cells. Because of this risk, your healthcare professional must monitor your blood while you are taking clozapine.
Seizures. The risk of seizure is increased in people who have a history of seizures or other predisposing factors. Because of this risk you should not engage in any activity where you may suddenly lose consciousness, such as operating complex machinery, driving, swimming, climbing, etc.
Heart problems. Clozapine can cause a condition called myocarditis, or swelling of the heart muscle. Some of the warning signs of myocarditis are tiredness, shortness of breath, rapid breathing, fever, chest pain, and irregular heart beat. If these happen, call your healthcare professional right away.
Lowering of blood pressure when you stand up. This may also lead to fainting. In rare instances, this has been associated with lung and/or heart collapse.

Clozapine 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.
Other serious side effects may include fever, blood clots in the lung, increased blood sugar, and liver disease.
The most common side effects include drowsiness, increased salivation, rapid heart beat, dizziness, constipation, headache, shaking, and lightheadedness.

What Should I Tell My Healthcare Professional?

Before you start using clozapine, tell your healthcare professional if you:

have or had heart or lung problems
have or had seizures
have or had blood clots
have or had diabetes or increased blood sugar
have or had liver disease
have or had glaucoma
have or had stomach problems
have or had prostate enlargement
are trying to become pregnant, are already pregnant, or are breast-feeding.
drink alcohol
smoke

Are There Any Interactions With Drugs or Foods?

Because certain other medications can interact with clozapine, review all medications that you are taking with your health care professional, including those that you take without a prescription. You should not take clozapine if you are taking other medicines that can cause the same serious bone marrow side effects as clozapine.

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

certain medicines used to treat anxiety, called benzodiazepines
certain medicines used to clear thoughts, called psychotropic drugs
epinephrine
phenytoin
rifampin
cimetidine
erythromycin
carbamazepine
fluvoxamine
paroxetine

Avoid drinking alcohol while taking clozapine.

Is There Anything Else I Need to Know?

Dizziness, and sometimes fainting, caused by a drop in blood pressure may happen with clozapine, especially when you first start taking this medicine or when the dose is increased.
Clozapine may impair judgment, thinking, or motor skills. You should be careful in operating machinery, including automobiles, until you know how clozapine affects you.

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