Nilutamide - oral
Nilutamide - oral
Rarely, nilutamide has caused severe (sometimes fatal) lung problems (interstitial pneumonitis). Seek immediate medical attention if you develop symptoms of lung problems (such as cough, trouble breathing, chest pain, fever). Lung problems can happen at any time while you are taking nilutamide, but they occur most often during the first 3 months of treatment. Your doctor will tell you whether to stop or continue nilutamide.
Your doctor may have you get a chest X-ray and breathing tests before you start nilutamide.
This medication is used to treat prostate cancer. Nilutamide belongs to a class of drugs known as anti-androgens (anti-testosterone). Testosterone, a natural hormone, helps prostate cancer to grow and spread. Nilutamide works by blocking the effects of testosterone, thereby slowing the growth and spread of prostate cancer.
Take this medication by mouth with or without food, usually once daily or as directed by your doctor. If you are taking nilutamide after surgery, it is usually started on the day of surgery or the day after. After 30 days of treatment, your doctor will usually decrease your dose.
Dosage is based on your medical condition and response to therapy. The length of treatment depends on how your body and the cancer respond to nilutamide and other treatments.
Use this medication regularly to get the most benefit from it. To help you remember, take it at the same time each day. Do not stop any medications for your prostate cancer unless told to do so by your doctor. Stopping your medications could allow the cancer to spread more rapidly.
Tell your doctor if your condition persists or worsens (such as urination becomes more difficult, bone pain increases).
See also Warning section.
Because nilutamide may be used with other medications, the side effects may be due to any one medicine or the combination of medications. Hot flashes, sweating, dizziness, loss of sexual interest/ability, vision changes (such as difficulty seeing when moving into the dark or light, changes in color vision), stomach pain, constipation, nausea, signs of alcohol intolerance (such as flushing, tiredness) dry skin, increased sensitivity to touch/pain, and loss of body hair may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Rarely, nilutamide has caused severe (sometimes fatal) liver problems. Seek immediate medical attention if you develop symptoms of liver problems (such as loss of appetite, persistent nausea/vomiting/stomach pain, severe tiredness, dark urine, yellowing eyes/skin). Liver problems can happen at any time while taking nilutamide, but they occur most often during the first 3-4 months of treatment. Your doctor will tell you whether to stop or continue nilutamide. Your doctor will monitor your liver function with blood tests before you start and while you are taking nilutamide. Keep all medical and laboratory appointments.
A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:
In the US -
Before taking nilutamide, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
This drug may rarely make you dizzy or drowsy or cause vision changes. Alcohol or marijuana (cannabis) can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness or clear vision until you can do it safely. You may also develop intolerance to alcohol while taking this medication. Avoid alcoholic beverages. Talk to your doctor if you are using marijuana (cannabis).
Nilutamide should not be used in women. Women who are pregnant should avoid touching or accidentally taking this medication. It may harm an unborn baby. Consult your doctor for more information.
It is not known whether this drug passes into breast milk. Women who are breast-feeding should avoid touching or accidentally taking this medication. Consult your doctor for more information.
Some of the products that may interact with this drug include:
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.
Do not share this medication with others.
Laboratory and/or medical tests (such as liver function tests, blood PSA test) should be performed before and periodically during treatment to monitor your progress or check for side effects. Consult your doctor for more details. (See also Warning section.)
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
Information last revised February 2019.
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