Medication Guide App

Zytiga Side Effects

Generic Name: abiraterone

Note: This page contains side effects data for the generic drug abiraterone. It is possible that some of the dosage forms included below may not apply to the brand name Zytiga.

It is possible that some side effects of Zytiga may not have been reported. These can be reported to the FDA here. Always consult a healthcare professional for medical advice.

For the Consumer

Applies to abiraterone: oral tablet

As well as its needed effects, abiraterone (the active ingredient contained in Zytiga) may cause unwanted side effects that require medical attention.

If any of the following side effects occur while taking abiraterone, check with your doctor immediately:

More common
  • Bladder pain
  • bloating or swelling of the face, arms, hands, lower legs, or feet
  • bloody or cloudy urine
  • blurred vision
  • bone fracture
  • chest pain or discomfort
  • convulsions
  • decreased urine
  • difficult, burning, or painful urination
  • dizziness
  • dry mouth
  • fainting
  • fast, pounding, or irregular heartbeat or pulse
  • feeling of warmth
  • frequent urge to urinate
  • headache
  • increased need to urinate
  • increased thirst
  • increased urge to urinate during the night
  • lightheadedness, dizziness, or fainting
  • loss of appetite
  • lower back or side pain
  • mood changes
  • muscle pain or cramps
  • nausea or vomiting
  • nervousness
  • numbness or tingling in the hands, feet, or lips
  • pain or swelling in the arms or legs without any injury
  • passing urine more often
  • pounding in the ears
  • rapid weight gain
  • redness of the face, neck, arms, and occasionally, upper chest
  • shortness of breath
  • slow heartbeat
  • sudden sweating
  • swelling
  • swelling with pits or depressions on the skin
  • unusual tiredness or weakness
  • unusual weight gain or loss
  • waking to urinate at night
Less common
  • Abdominal or stomach pain or tenderness
  • arm, back, or jaw pain
  • chest tightness or heaviness
  • clay colored stools
  • cool, sweaty skin
  • dark urine
  • decreased appetite
  • decreased urine output
  • difficulty with breathing
  • dilated neck veins
  • extreme fatigue
  • fever
  • headache
  • irregular breathing
  • itching skin
  • rash
  • sweating
  • swelling of the face, fingers, feet, or lower legs
  • weakness
  • weight gain
  • wheezing
  • yellow eyes or skin
  • Darkening of the skin
  • diarrhea
  • mental depression

Some abiraterone side effects may not need any medical attention. As your body gets used to the medicine these side effects may disappear. Your health care professional may be able to help you prevent or reduce these side effects, but do check with them if any of the following side effects continue, or if you are concerned about them:

More common
  • Acid or sour stomach
  • belching
  • body aches or pain
  • chills
  • cough
  • difficulty with moving
  • ear congestion
  • heartburn
  • indigestion
  • joint pain
  • loss of voice
  • muscle cramps or spasms
  • muscle or bone pain
  • muscle stiffness
  • nasal congestion
  • runny nose
  • sneezing
  • sore throat
  • stomach discomfort or upset
  • swelling or stiffness of the joints

For Healthcare Professionals

Applies to abiraterone: oral tablet


In general, the most commonly reported side effects have included joint swelling or discomfort, hypokalemia, edema, muscle discomfort, hot flushes, diarrhea, urinary tract infection, cough, hypertension, arrhythmia, urinary frequency, nocturia, dyspepsia, and upper respiratory tract infection. The most common adverse effects which resulted in discontinuation of abiraterone (the active ingredient contained in Zytiga) have included increased transaminases (ALT, AST), urosepsis, and heart failure.[Ref]


Cardiovascular side effects have included hypertension, edema, hot flushes, arrhythmias, atrial and ventricular tachycardia, supraventricular tachycardia, atrial flutter, bradycardia, AV block, chest pain or discomfort, angina, left ventricular dysfunction, cardiogenic shock, cardiomegaly, cardiomyopathy, decreased ejection fraction, and heart failure.[Ref]


Endocrine side effects have included adrenocortical insufficiency.[Ref]


Gastrointestinal side effects have included diarrhea and dyspepsia.[Ref]


Genitourinary side effects have included urinary tract infection, urinary frequency, nocturia, and urosepsis.[Ref]


Hepatic side effects have included hepatotoxicity, increased AST, increased ALT, and increased bilirubin[Ref]


Metabolic side effects have included hypokalemia, fluid retention, and low serum phosphate.[Ref]


Musculoskeletal side effects have included joint swelling or discomfort, muscle discomfort, arthritis, arthralgia, muscle spasms, musculoskeletal pain or discomfort, myalgia and fractures.[Ref]


Respiratory side effects have included cough and upper respiratory tract infection.[Ref]


1. "Product Information. Zytiga (abiraterone)." Centocor Inc, Malvern, PA.

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