Abiraterone Acetate (a-bir-A-ter-one AS-e-tate)
ZytigaThere may be other brand names for this medicine.
When This Medicine Should Not Be Used
This medicine is not right for everyone. Do not use it if you had an allergic reaction to abiraterone or if you are pregnant or may become pregnant.
How to Use This Medicine
- Take your medicine as directed.
- Take this medicine on an empty stomach. Do not eat 2 hours before or 1 hour after you take this medicine.
- Swallow the tablet whole with water. Do not break, crush, or chew it.
- Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.
- Missed dose: Take your normal dose on the following day. If you miss more than one dose, call your doctor right away.
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Some medicines can affect how abiraterone works. Tell your doctor if you are taking any of the following:
- Dextromethorphan, enzalutamide, paclitaxel, repaglinide, rosiglitazone, thioridazine
- Another steroid medicine, such as dexamethasone, or medicine to treat HIV/AIDS (such as atazanavir, indinavir, nelfinavir, ritonavir, saquinavir), an infection (such as clarithromycin, itraconazole, ketoconazole, telithromycin, voriconazole), tuberculosis (such as rifabutin, rifampin, rifapentine), seizures (such as carbamazepine, phenobarbital, phenytoin), or depression (such as nefazodone)
Warnings While Using This Medicine
- If you are pregnant or may become pregnant, do not touch the tablets without wearing gloves.
- This medicine may cause birth defects if the father is using it when his partner becomes pregnant. Use a condom plus another form of birth control during treatment and for 1 week after the last dose. Tell your doctor right away if a pregnancy occurs while you are taking this medicine.
- Tell your doctor if you had a recent heart attack, or if you have heart, liver, or blood vessel disease, heart failure, heart rhythm problems, high blood pressure, low potassium, or a history of adrenal problems.
- Do not stop using this medicine even for a short time without asking your doctor.
- This medicine may cause the following problems:
- Adrenal problems
- Liver problems
- An increased risk for bone fractures
- Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
- You will need to have your blood pressure measured before you begin to take this medicine and while you are taking it.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Possible Side Effects While Using This Medicine
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Chest pain
- Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes
- Dizziness, fainting
- Dry mouth, increased thirst, muscle cramps, nausea or vomiting
- Fast, slow, pounding, or uneven heartbeat
- Rapid weight gain, swelling in your hands, ankles, or feet
- Unusual tiredness or weakness
If you notice these less serious side effects, talk with your doctor:
- Change in how much or how often you urinate, difficult or painful urination
- Cough, runny or stuffy nose, sore throat
- Diarrhea or upset stomach
- Joint or muscle pain, weakness, or swelling
- Warmth or redness in your face, neck, arms, or upper chest
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088