Skip to Content

UK Edition. Click here for US version.


Active substance(s): OLANZAPINE

PDF options:  View Fullscreen   Download PDF

PDF Transcript


Page 1 of 8

Package leaflet: Information for the patient
Olanzapine 5 mg orodispersible tablets
Olanzapine 10 mg orodispersible tablets
Olanzapine 15 mg orodispersible tablets
Olanzapine 20 mg orodispersible tablets
Read all of this leaflet carefully before you start taking this medicine because it contains
important information for you.
Keep this leaflet. You may need to read it again.
If you have any further questions, ask your doctor or your pharmacist.
This medicine has been prescribed for you only. Do not pass it on to others. It may harm them,
even if their signs of illness are the same as yours.
If you get any side effects, talk to your doctor or your pharmacist. This includes any possible
side effects not listed in this leaflet.
What is in this leaflet
What Olanzapine is and what it is used for
What you need to know before you take Olanzapine
How to take Olanzapine
Possible side effects
How to store Olanzapine
Contents of the pack and other information

What Olanzapine Is And What It Is Used For

Olanzapine contains the active substance olanzapine and belongs to a group of medicines called
Olanzapine is used to treat schizophrenia, a disease with symptoms such as hearing, seeing or sensing
things which are not there, mistaken beliefs, unusual suspiciousness, and becoming withdrawn. People
with this disease may also feel depressed, anxious or tense.
Olanzapine is used to treat moderate to severe manic episodes, a condition with symptoms such as
feeling "high", having excessive amounts of energy, needing much less sleep than usual, talking very
quickly with racing ideas and sometimes severe irritability. It is also a mood stabiliser that prevents
further occurrences of the disabling high and low (depressed) extremes of mood associated with this


What You Need To Know Before You Take Olanzapine

Do not take Olanzapine:
• If you are allergic (hypersensitive) to olanzapine or any of the other ingredients of this medicine
(listed in section 6). An allergic reaction may be recognised as a rash, itching, a swollen face, swollen
lips or shortness of breath. If this has happened to you, tell your doctor.
• If you have been previously diagnosed with eye problems such as certain kinds of glaucoma
(increased pressure in the eye).
Warnings and precautions
Talk to your doctor before taking Olanzapine.
• Medicines of this type may cause unusual movements mainly of the face or tongue. If this happens
after you have been given Olanzapine tell your doctor.
• Rarely, medicines of this type cause a combination of fever, faster breathing, sweating, muscle
stiffness and drowsiness or sleepiness. If this happens, contact your doctor at once.
Page 2 of 8

 If you or someone else in your family has a history of blood clots, as medicines like these have been
associated with formation of blood clots.
 Weight gain has been seen in patients taking Olanzapine. You and your doctor should check your
weight regularly.
 High blood sugar and high levels of fat (triglycerides and cholesterol) have been seen in patients
taking Olanzapine. Your doctor should do blood tests to check blood sugar and certain fat levels
before you start taking Olanzapine and regularly during treatment.
• The use of Olanzapine in elderly patients with dementia is not recommended as it may have serious
side effects.
If you suffer from any of the following illnesses tell your doctor as soon as possible:
• Diabetes
• Heart disease
 If you have been told that you have salt imbalances in the blood (especially low levels of potassium
or magnesium)
 If you were born with prolonged QT interval (seen on ECG, an electrical recording of the heart)
• Liver or kidney disease
• Parkinson’s disease
• Epilepsy
• Prostate problems
• A blocked intestine (Paralytic ileus)
• Blood disorders with low blood white blood cell counts (which can be caused by some medicines,
radiation therapy, chemotherapy or bone marrow disease)
 If you have been told that you have increased levels of some white blood cells or a disease of the
bone marrow in which excessive blood cells are made called myeloproliferative disease
• Stroke or “mini” stroke (temporary symptoms of stroke)
If you suffer from dementia, you or your carer/relative should tell your doctor if you have ever had a
stroke or “mini” stroke.
As a routine precaution, if you are over 65 years your blood pressure may be monitored by your
Children and adolescents
Olanzapine is not for patients who are under 18 years.
Other medicines and Olanzapine
Tell your doctor if you are taking, have recently taken or might take any other medicines. Especially
tell your doctor if you are taking medicines for Parkinson’s disease.
Only take other medicines while you are on Olanzapine if your doctor tells you that you can. You
might feel drowsy if Olanzapine is taken in combination with antidepressants or medicines taken for
anxiety or to help you sleep (tranquillisers).
You should tell your doctor if you are taking carbamazepine (used as an anti-epileptic or mood
stabiliser), fluvoxamine (an antidepressant), or ciprofloxacin (an antibiotic), as it may be necessary to
change your Olanzapine dose.
Also tell your doctor if you:
- smoke (because your dose of olanzapine may need to be adjusted)
- are taking medicines that can alter your heart rhythm such as anti-arrhythmics (like
amiodarone, sotalol, quinidine, disopyramide), antibiotics (that belong to the group of
macrolides), tricyclic antidepressants.

Page 3 of 8

If you are taking activated charcoal (a chemical substance used to bind other drugs), this should be
taken at least 2 hours before or after olanzapine intake because it can interfere with the absorption of

Olanzapine with alcohol
Do not drink any alcohol if you have been given Olanzapine as taking it with alcohol may make you
feel drowsy.
Pregnancy and breast-feeding
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask
your doctor or pharmacist for advice before taking this medicine. You should not be given this
medicine when breast-feeding, as small amounts of Olanzapine can pass into breast milk.
The following symptoms may occur in newborn babies, of mothers that have used Olanzapine in the
last trimester (last three months of their pregnancy): shaking, muscle stiffness and/or weakness,
sleepiness, agitation, breathing problems, and difficulty in feeding. If your baby develops any of these
symptoms you may need to contact your doctor.
Driving and using machines
There is a risk of feeling drowsy or dizzy when you are given Olanzapine. If this happens do not drive
or operate any tools or machines. Tell your doctor.
Olanzapine contains aspartame
Patients who cannot take phenylalanine should note that Olanzapine contains aspartame, which is a
source of phenylalanine. May be harmful for people with phenylketonuria.


How To Take Olanzapine

Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor
or pharmacist if you are not sure.
Your doctor will tell you how many Olanzapine tablets to take and how long you should continue to
take them. The recommended daily dose of Olanzapine is between 5 and 20 mg. Consult your doctor if
your symptoms return but do not stop taking Olanzapine unless your doctor tells you to.
You should take your Olanzapine tablets once a day following the advice of your doctor. Try to take
your tablets at the same time each day. It does not matter whether you take them with or without food.
Olanzapine orodispersible tablets are for oral use.
Olanzapine tablets break easily, so you should handle the tablets carefully. Do not handle the tablets
with wet hands as the tablets may break up.
1. For perforated blisters, hold the blister strip at the edges and separate one blister cell from the rest of
the strip by gently tearing along the perforations around it.
2. Carefully peel off the backing. For non-perforated blisters, take care not to peel off the backing of
adjacent tablets.
3. Gently push the tablet out.
4. Put the tablet in your mouth. It will dissolve directly in your mouth, so that it can be easily
You can also place the tablet in a full glass or cup of water, orange juice, apple juice, milk or coffee,
and stir. With some drinks, the mixture may change colour and possibly become cloudy. Drink it
straight away.

Page 4 of 8

If you take more Olanzapine than you should
Patients who have taken more Olanzapine than they should have experienced the following symptoms:
rapid beating of the heart, agitation/aggressiveness, problems with speech, unusual movements
(especially of the face or tongue) and reduced level of consciousness. Other symptoms may be: acute
confusion, seizures (epilepsy), coma, a combination of fever, faster breathing, sweating, muscle
stiffness and drowsiness or sleepiness, slowing of the breathing rate, aspiration, high blood pressure or
low blood pressure, abnormal rhythms of the heart. Contact your doctor or hospital straight away.
Show the doctor your pack of tablets.
If you forget to take Olanzapine
Take your tablets as soon as you remember. Do not take two doses in one day.
If you stop taking Olanzapine
Do not stop taking your tablets just because you feel better. It is important that you carry on taking
Olanzapine for as long as your doctor tells you.
If you suddenly stop taking Olanzapine symptoms such as sweating, unable to sleep, tremor, anxiety
or nausea and vomiting might occur. Your doctor may suggest you to reduce the dose gradually before
stopping treatment.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.

Possible Side Effects

Like all medicines, this medicine can cause side effects, although not everybody gets them.
Tell your doctor immediately if you have:
 unusual movement (a common side effect that may affect up to 1 in 10 people) mainly of the
face or tongue.
 blood clots in the veins (an uncommon side effect that may affect up to 1 in 100 people) especially in
the legs (symptoms include swelling, pain, and redness in the leg), which may travel through
blood vessels to the lungs causing chest pain and difficulty in breathing. If you notice any of
these symptoms seek medical advice immediately.
 a combination of fever, faster breathing, sweating, muscle stiffness and drowsiness or
sleepiness (the frequency of this side effect cannot be estimated from the available data).

Other side effects
Very common (may affect more than 1 in 10 people):
• Weight gain.
• Sleepiness.
• Increases in the levels of prolactin in the blood.
In the early stages of treatment, some people may feel dizzy or faint (with a slow heart rate), especially
when getting up from a lying or sitting position. This will usually pass on its own but if it does not, tell
your doctor.
Common (may affect up to 1 in 10 people):
• Increases in the levels of some blood cells, circulating fats and early in treatment, temporary
increases in liver enzymes.
• Increases in the level of sugars in the blood and urine.
Page 5 of 8

• Increases in levels of uric acid and creatine phosphokinase in the blood;
• Feeling more hungry.
• Dizziness.
• Restlessness.
• Tremor
• Unusual movements (dyskinesia)
• Constipation.
• Dry mouth.
• Rash.
• Loss of strength
• Extreme tiredness
• Water retention leading to swelling of the hands, ankles or feet
 Fever; joint pain
 sexual dysfunctions such as decreased libido in males and females or erectile dysfunction in males.

Uncommon (may affect up to 1 in 100 people):
• hypersensitivity (e.g. swelling in the mouth and throat, itching, rash)
• diabetes or the worsening of diabetes, occasionally associated with ketoacidosis (ketones in the blood
and urine) or coma
• seizures, usually associated with a history of seizures (epilepsy)
• muscle stiffness or spasms (including eye movements)
• problems with speech
• slow heart rate.
• sensitivity to sunlight.
• bleeding from the nose
• abdominal distension
• memory loss or forgetfulness
• urinary incontinence
• lack of ability to urinate
• hair loss.
• absence or decrease in menstrual periods
• changes in breasts in males and females such as an abnormal production of breast milk or abnormal

Rare side effects (may affect up to 1 in 1000 people):
• lowering of normal body temperature.
• abnormal rhythms of the heart
• sudden unexplained death
• inflammation of the pancreas causing severe stomach pain
• fever and sickness
• liver disease appearing as yellowing of the skin and white parts of the eyes
• muscle disease presenting as unexplained aches and pains
• prolonged and/or painful erection.
While taking olanzapine, elderly patients with dementia may suffer from stroke, pneumonia, urinary
incontinence, falls, extreme tiredness, visual hallucinations (seeing things that are not there), a rise in
body temperature, redness of the skin and have trouble walking. Some fatal cases have been reported
in this particular group of patients.
In patients with Parkinson's disease Olanzapine may worsen the symptoms and cause hallucinations
(seeing, hearing or feeling things that are not there).

Reporting of side effects

Page 6 of 8

If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects
not listed in this leaflet. You can also report side effects directly via Yellow Card Scheme, Website: By reporting side effects you can help provide more information on the
safety of this medicine.

How To Store Olanzapine

Keep this medicine out of sight and reach of children.
Do not use this medicine after the expiry date, which is stated on the carton and blister/bottle.
Store in the original container in order to protect from light and moisture.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to
throw away medicines you no longer use. These measures will help protect the environment.

Contents of the pack and other information

What Olanzapine contains
Olanzapine 5 mg contains 5 mg of olanzapine as the active ingredient.
Olanzapine 10 mg contains 10 mg of olanzapine as the active ingredient.
Olanzapine 15 mg contains 15 mg of olanzapine as the active ingredient.
Olanzapine 20 mg contains 20 mg of olanzapine as the active ingredient.
The other ingredients are mannitol, microcrystalline cellulose, guar gum, crospovidone (type A),
magnesium stearate, colloidal anhydrous silica, aspartame (E951) and sodium laurilsulfate.
What Olanzapine looks like and contents of the pack
Olanzapine 5 mg is supplied as light yellow to yellow coloured, plain to mottled, round, flat faced,
beveled edged tablets debossed with “M” on one side and “OE1” on other side.
Olanzapine 10 mg is supplied as light yellow to yellow coloured, plain to mottled, round, flat faced,
beveled edged tablets debossed with “M” on one side and “OE2” on other side.
Olanzapine 15 mg is supplied as light yellow to yellow coloured, plain to mottled, round, flat faced,
beveled edged tablets debossed with “M” on one side and “OE3” on other side.
Olanzapine 20 mg is supplied as light yellow to yellow coloured, plain to mottled, round, flat faced,
beveled edged tablets debossed with “M” on one side and “OE4” on other side.
Olanzapine orodispersible tablets are supplied in non-perforated blisters containing 28, 35, 56, 70 or
98 tablets and perforated unit-dose blisters containing (28, 35, 56, 70 or 98) x 1 tablets.
Not all pack sizes may be marketed.
Marketing Authorisation Holder and Manufacturer
Marketing Authorisation Holder:
Potters Bar,
EN6 1 TL,
United Kingdom

Page 7 of 8

McDermott Laboratories Ltd. T/A Gerard Laboratories, 35/36 Baldoyle Industrial Estate, Grange
Road, Dublin 13, Ireland.
Mylan Hungary Kft,
H-2900 Komarom,
Mylan utca 1,
This leaflet was last revised in November 2014.

Page 8 of 8

+ Expand Transcript

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.