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Clozapine - Oral - Patient Medicine Information

> Why do I need this medicine?
> How do I take this medicine?
> What should I do if I have forgotten to take this medicine?
> When should I not use this medicine?
> What should I take note of while taking this medicine?
> What side effects could I experience?
> Can I take this with other medicines?
> What special dietary instructions should I follow?
> How should I store this medicine?

 
Available Brands

Other Known Brands
  • Clopine    
  • Zapine    
  • Anzapine    
  • Clozarem    

Why do I need this medicine?

Clozapine is used to treat patients with schizophrenia who have failed to respond adequately to the currently used treatment. It helps to relieve symptoms common in schizophrenia, such as distorted thinking and emotional instability. It also helps to reduce the risk of suicidal behaviour in schizophrenia.

Clozapine is also used to treat distorted thinking and emotional instability in Parkinson's disease in cases where the currently used treatment has failed.

How do I take this medicine?

Take Clozapine exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.

This medicine may be taken with or without food. Try to take it at the same time each day.

Clozapine is available as conventional tablet, oral disintegrating tablet and suspension.

If you have been given the conventional tablet, swallow it with a glass of water.

If you have been given the oral disintegrating tablet, remove it from the foil only just before you take it. Place the tablet on your tongue and chew or allow it to dissolve. Then, swallow it with your saliva. If you are taking only part of the tablet, throw away the part that is not taken.

If you have been given the suspension, use the oral syringe, dropper, measuring spoon or cup provided to measure out your dose accurately.

Clozapine must be taken regularly for it to be effective. Continue taking this medicine even when you feel better. Do not stop taking it unless instructed otherwise, as stopping it suddenly could worsen your condition.

What should I do if I have forgotten to take this medicine?

Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.

DO NOT double a dose under any circumstances.

If you miss more than 2 days of Clozapine, do not restart your medicine. Contact your doctor immediately.

If you often forget to take your medicine, let your doctor and pharmacist know.

When should I not use this medicine?

Clozapine is not suitable for patients with dementia-related psychosis.

Alert your doctor if you have:

- blood disorders
- epilepsy (fits)
- bowel blockage or bowel paralysis (paralytic ileus) which causes severe constipation
- impaired bone marrow function
- severe heart, liver or kidney disease
- mental illness caused by alcohol or drug addiction
as Clozapine may not be suitable for you.

What should I take note of while taking this medicine?

Inform your doctor if you have:

- previous abdominal surgery
- prostate problems or difficulty passing urine
- glaucoma (increased pressure in the eye)
- diabetes
- risk factors for blood clot
- risk factors for stroke

Let your doctor know if you are pregnant or breastfeeding.

If you are going for an operation, including minor operations and dental work, inform your doctor or dentist that you are being treated with Clozapine.

Clozapine may cause your white blood cell count to drop drastically. This may put you at higher risk for infections. For as long as you are being treated with Clozapine, you will need to have regular blood tests done. These blood tests are very important for you. These tests help your doctor to check that your white blood cell counts are within the normal range. Your doctor will advise you about how often you need to have these blood tests.

Clozapine may also cause your blood sugar levels to rise. Monitor your blood sugar levels more regularly if you have diabetes or a family history of diabetes. Ask your doctor how often you need to have your blood sugar levels monitored.

Be very sure to keep all appointments with your doctor.

What side effects could I experience?

Clozapine may make you drowsy or dizzy. It can also make your vision blurred. If affected, do not drive or take part in any activity in which you need to be alert. Dizziness may be worse when you get up from a sitting or lying down position, especially if you are taking Clozapine for the first time or if your dose is still being adjusted. This is normal and should disappear gradually as you get used to the medicine. It will help if you get up slowly from a sitting or lying down position.

Clozapine may cause fits or seizures in some people. Do not take part in any activities where a sudden loss of consciousness may be dangerous. Avoid activities such as driving, operating machinery, swimming or climbing.

Other common side effects with Clozapine include headache, constipation, dry mouth, nausea, vomiting, sweating, drooling, difficulty sleeping, difficulty urinating, restlessness, tremor, muscle rigidity, slurred speech and weight gain. Inform your doctor if these side effects become severe or refuse to go away.

Other side effects may need immediate medical help. Alert your doctor immediately if you experience any of the following:

- rapid or irregular heartbeat
- chest pain
- difficulty breathing or wheezing
- severe tiredness or weakness
- fever with persistent sore throat
- uncontrolled muscle movements of your body, face or tongue, such as lip smacking or worm-like movements of the tongue
- rapid rise in your body temperature or an inability to cool down on a hot day

Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.

Can I take this with other medicines?

Inform your doctor and pharmacist if you are taking any of these medicines:

- medicines for anxiety and sleep disorder e.g. diazepam, alprazolam, buspirone
- medicines for mood disorders e.g. risperidone, lithium, fluvoxamine, clomipramine
- medicines to treat depression e.g. citalopram, fluoxetine, paroxetine, sertraline
- medicines for allergy e.g. antihistamines
- medicines for heart disease e.g. quinidine, procainamide, digoxin
- certain antibiotics e.g. ciprofloxacin, erythromycin, ampicillin
- stomach medicines e.g. cimetidine, omeprazole
- medicines for epilepsy (fits) e.g. valproic acid, phenytoin, carbamazepine

This list does not include all medicines that may interact with Clozapine.

Always inform your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicine, supplements and medicines that you buy without a prescription.

What special dietary instructions should I follow?

Avoid alcohol. Alcohol will worsen the dizziness and drowsiness caused by Clozapine.

How should I store this medicine?

Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.

This information is independently developed by MIMS based on Clozapine - Oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2019 MIMS. All rights reserved. Powered by MIMS.com

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