Side Effects
Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor or nurse immediately if any of the following side effects occur:
More common- Back pain
- Blurred vision
- Dizziness
- Fever
- Flushing or redness of the skin
- Hard lump
- Headache
- Nervousness
- Pain
- Pounding in the ears
- Slow or fast heartbeat
- Small lumps under the skin
- Swelling
- Unusually warm skin
- Bladder pain
- Bloody or cloudy urine
- Chills
- Decrease in testicle size
- Decreased interest in sexual intercourse
- Difficult, burning, or painful urination
- Difficulty in moving
- Frequent urge to urinate
- Inability to have or keep an erection
- Increased sweating
- Loss in sexual ability, desire, drive, or performance
- Lower back or side pain
- Muscle pain or stiffness
- Pain in the joints
- Chest pain or discomfort
- Fainting
- Irregular heartbeat
- Pounding heartbeat
- Shortness of breath
Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
More common- Difficulty having a bowel movement (stool)
- Feeling of warmth
- Increased weight
- Redness of the face, neck, arms, and occasionally, upper chest
- Sudden sweating
- Unusual tiredness or weakness
- Diarrhea
- Lack or loss of strength
- Nausea
- Night sweats
- Sleeplessness
- Swelling of the breasts or breast soreness
- Trouble sleeping
- Unable to sleep
Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.
Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.


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