Patient Leaflet Updated 02-Jun-2026 | Aurobindo Pharma - Milpharm Ltd.
Olanzapine 2.5mg, 5mg, 7.5mg, 10mg, 15mg & 20mg Tablet
Olanzapine 2.5 mg tablets
Olanzapine 5 mg tablets
Olanzapine 7.5 mg tablets
Olanzapine 10 mg tablets
Olanzapine 15 mg tablets
Olanzapine 20 mg tablets
olanzapine
1. What Olanzapine is and what it is used for
2. What you need to know before you take Olanzapine
3. How to take Olanzapine
4. Possible side effects
5. How to store Olanzapine
6. Contents of the pack and other information
Olanzapine tablets contain the active substance olanzapine. Olanzapine belongs to a group of medicines called antipsychotics and is used to treat the following conditions
Olanzapine has been shown to prevent recurrence of these symptoms in patients with bipolar disorder whose manic episode has responded to olanzapine treatment.
Do not take Olanzapine
Talk to your doctor or pharmacist before you take Olanzapine.
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 doctor.
Olanzapine is not for patients who are under 18 years.
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).
Tell your doctor if you are taking have recently taken or might take any other medicines,
In particular, tell your doctor if you are taking:
Do not drink any alcohol if you have been given Olanzapine as together with alcohol it may make you feel drowsy.
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor 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.
There is a risk of feeling drowsy when you are given Olanzapine. If this happens do not drive or operate any tools or machines. Tell your doctor.
Olanzapine contains lactose. If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product.
Always take this medicine exactly as your doctor 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 daily dose of Olanzapine is between 5 mg 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 tablets are for oral use. You should swallow the Olanzapine tablets whole with water.
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 if you experience any of the above symptoms.. Show the doctor your pack of tablets.
Take your tablets as soon as you remember. Do not take two doses in one day.
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.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Tell your doctor immediately if you have:
Very common side effects: (may affect more than 1 in 10 people) include weight gain; sleepiness; and increases in 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 side effects: (may affect up to 1 in 10 people) include
Uncommon side effects: (may affect up to 1 in 100 people) include
Rare side effects (may affect up to 1 in 1000 people)
Very rare side effects include serious allergic reactions such as Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS). DRESS appears initially as flu-like symptoms with a rash on the face and then with an extended rash, high temperature, enlarged lymph nodes, increased levels of liver enzymes seen on blood tests and an increase in a type of white blood cells (eosinophilia)
While taking olanzapine, elderly patients with dementia may suffer from stroke, pneumonia, urinary incontinence, falls, extreme tiredness, visual hallucinations, 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.
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: www.mhra.gov.uk/yellowcard or search for MHRA Yellow Card in the Google Play or Apple App Store
By reporting side effects you can help provide more information on the safety of this medicine.
Keep this medicine out of sight and reach of children.
Store below 25ºC.
Do not use this medicine after the expiry date, which is stated on the outer carton, blister and bottle label.
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 to protect the environment.
Olanzapine 2.5 mg Tablets:
Yellow coloured, circular, biconvex uncoated tablets, debossed with ‘OA’ on one side and ‘2.5’ on the other side
Olanzapine 5 mg Tablets:
Yellow coloured, circular, biconvex uncoated tablets, debossed with ‘OA’ on one side and ‘5’ on the other side
Olanzapine 7.5 mg Tablets:
Yellow coloured, circular, biconvex uncoated tablets, debossed with ‘OA’ on one side and ‘7.5’ on the other side
Olanzapine 10 mg Tablets:
Yellow coloured, circular, biconvex uncoated tablets, debossed with ‘OA’ on one side and ‘10’ on the other side
Olanzapine 15 mg Tablets:
Yellow coloured, circular, biconvex uncoated tablets, debossed with ‘OA’ on one side and ‘15’ on the other side
Olanzapine 20 mg Tablets:
Yellow coloured, circular, biconvex uncoated tablets, debossed with ‘OA’ on one side and ‘20’ on the other side
Olanzapine tablets are available in:
PVC/Polyamide/Aluminium/PVC/Aluminium blister pack:
7, 14, 28, 30, 35, 50, 56, 70, 96, 98 & 100 tablets.
HDPE bottle and polypropylene closure with silica gel desiccant:
30 & 1000 tablets
Not all pack sizes may be marketed.
or
This leaflet was last revised in 10/2025.
P1540340
Milpharm Limited, 1 Roundwood Avenue, Stockley Park, Uxbridge, UB11 1AF, UK
+ 44 (0)208 845 8811
+44 (0)208 845 8811
http://www.aurobindo.com
+44 (0)208 845 8795