Abiraterone
- Article last reviewed 30 August 2025
- 12 mins read
What is this medication for?
Abiraterone is used to treat prostate cancer.
How should I take or use this medication?
- Take Abiraterone once a day, on an empty stomach, at least 1 hour before or 2 hours after food.
- Swallow the tablet/capsule whole.
- Do not break, chew or crush the tablet.
- Inform your doctor or pharmacist if you have difficulty swallowing.
- Oral prednisolone tablet is usually given with Abiraterone to reduce the risk of high blood pressure, low blood potassium levels and fluid build-up.
What should I do if I forget to take or use this medication?
- If you forget to take a dose, skip the missed dose, and take it at the next scheduled time. Do not take two doses to make up for the missed dose.
What precautions should I take when taking or using this medication?
- Inform your healthcare professional if:
- You are allergic to this medication or any of the other ingredients of this medication.
- You are taking any other medications (e.g. phenytoin, rifampicin) , including supplements, traditional medications and herbal remedies.
- You have any other medical conditions.
- You have any plans to start a family in the future.
- Abiraterone may have an anti-fertility effect, which could be irreversible. You should discuss fertility preservation options with your doctor before starting treatment.
If you have a partner who could become pregnant, you should use an effective birth control method during treatment and for at least 3 weeks after stopping Abiraterone.
What are some common side effects of this medication?
The table below will list some of the common side effects as well as the rare but serious side effects.
Side Effect | Management |
Hot flushes (sudden sweating and feeling of warmth) |
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Diarrhoea (loose and frequent stools) |
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Muscle aches and/or joint pain |
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Increase in blood pressure
|
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Stomach discomfort. Prednisolone may irritate the stomach and cause discomfort. | Take Prednisolone after food to reduce stomach discomfort. |
Decrease in blood sugar levels | This medication may cause low blood sugar (hypoglycaemia). Symptoms of low blood sugar are weakness, dizziness, hunger, sweating, trembling, blurred vision, walking unsteadily or fast heartbeat. |
Increase in blood sugar levels. Prednisolone may cause raised blood sugar levels. |
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Weight gain. Prednisolone may increase your appetite and result in weight gain. | Keep a healthy and balanced diet to maintain your weight. |
Insomnia (difficulty falling and/or staying asleep.) | Prednisolone may cause insomnia. Take the tablets early in the day to avoid difficulty sleeping at night. |
Increase in cholesterol or triglycerides levels | You may have your cholesterol level checked before starting Abiraterone, and periodically after starting Abiraterone. Your doctor may prescribe medications to control your cholesterol levels if required. |
Liver problems | Proceed to the A&E department immediately if you experience any:
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Fluid retention
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Bone loss or thinning, and fractures |
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Heart problems | Proceed to the A&E department immediately if you experience signs of heart problems such as shortness of breath, difficulty breathing, chest pain, fast heartbeat, or sudden swelling of legs. |
Symptoms of drug allergy including one or more of the following:
| If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately. |
It is normal to experience some side effects from Abiraterone. As discussed with your doctor, taking Abiraterone will be beneficial for your condition. Do not stop taking Abiraterone without checking with your doctor.
What food or medication should I avoid when I take or use this medication?
Avoid taking certain fruits such as grapefruit, pomelo, starfruit and pomegranate when you are taking this medication. This is because these fruits may affect how the body processes the drug and increase the risk of side-effects.
How should I store this medication?
Store in a cool and dry place, away from direct sunlight. Keep this medication away from children.
How do I throw away this medication safely?
For general waste: Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin.
What else should I know about this medication?
Tips to help manage your condition while you are on Abiraterone
Exercise | Light exercise is recommended as it helps to improve mobility, balance, and even emotional well-being. Avoid strenuous exercise, and rest when you are feeling tired. |
Adequate hydration | Have plenty of hydration with 2 to 3 litres of fluids per day unless you have been informed by your doctor to limit how much fluids you can drink. This will decrease your chances of getting constipation and prevent dehydration. |
Medical and dental treatment | If you need to go into hospital for any reason other than cancer, always inform the doctors and nurses that you are receiving anti-cancer treatment. Talk to your cancer doctor if you think you need dental treatment. Always inform your dentist that you are receiving anti-cancer treatment. |
Seek support if you feel overwhelmed | It is normal to feel fearful or worried about your condition. Do not be afraid to share your concerns with your healthcare team or loved ones. There may be resources and support available to help you. |
Disclaimer
Please take note that the above is not a complete list of all possible side-effects. If you have any concerns about your medication or if you have other side-effects that you think are caused by this medication, please consult your doctor or pharmacist. If you take more than the recommended dose, please seek medical advice immediately. The information provided on this page does not replace information from your healthcare professional. Please consult your healthcare professional for more information.
This article is jointly developed by members of the National Medication Information workgroup. The workgroup consists of cluster partners (NHG Health, National University Health System and SingHealth), community pharmacies (Guardian, Unity and Watsons) and Pharmaceutical Society of Singapore. The content does not reflect drug availability and supply information in pharmacies and healthcare institutions. You are advised to check with the respective institutions for such information.
Contributed By
- Pharmaceutical Society of Singapore