Ruxolitinib is used to treat myelofibrosis (a condition in which the bone marrow is replaced by scar tissue and causes decreased blood cell production). Ruxolitinib is in a class of medications called kinase inhibitors. It works by blocking an enzyme that causes scar tissue to form in the bone marrow.
Ruxolitinib comes as a tablet to take by mouth. It is usually taken with or without food two times a day. Take ruxolitinib at around the same times every day. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take ruxolitinib exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.
Your doctor may start you on a low dose of ruxolitinib for the first four weeks of treatment, and gradually increase your dose after that time, not more than once every 2 weeks.
If you are unable to swallow, your doctor may tell you to take ruxolitinib through a nasogastric (NG) tube. If so, your doctor or pharmacist will explain how to prepare ruxolitinib to give through an NG tube.
Your doctor will order blood tests before and during your treatment to see how you are affected by this medication. Your doctor may increase or decrease your dose of ruxolitinib during your treatment, or may tell you to stop taking ruxolitinib for awhile. This depends on how well the medication works for you and if you experience side effects. Talk to your doctor about how you are feeling during your treatment. Continue to take ruxolitinib even if you feel well. Do not stop taking ruxolitinib without talking to your doctor. If your treatment with ruxolitinib is stopped, your doctor may decrease your dose gradually.
Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient.
This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
Before taking ruxolitinib,
Talk to your doctor about eating grapefruit and drinking grapefruit juice while taking this medication.
Unless your doctor tells you otherwise, continue your normal diet.
Skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
Ruxolitinib may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
Some side effects can be serious. If you experience any of these symptoms, call your doctor immediately:
Ruxolitinib may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at Web Site] or by phone [1-800-332-1088].
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
Symptoms of overdose may include:
Keep all appointments with your doctor and the laboratory. Your doctor will order certain lab tests to check your body's response to ruxolitinib.
Do not let anyone else take your medication. Ask your pharmacist any questions you have about refilling your prescription.
It is important for you to keep a written list of all of the prescription and nonprescription (over-the-counter) medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements. You should bring this list with you each time you visit a doctor or if you are admitted to a hospital. It is also important information to carry with you in case of emergencies.
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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