Do not use this medication if you are allergic to vorinostat.
Before using this medication, tell your doctor if you are allergic to any drugs, or if you have:
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diabetes;
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liver disease;
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kidney disease;
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an electrolyte imbalance (such as high or low potassium levels);
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a personal or family history of "Long QT syndrome”;
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a history of stroke or blood clot; or
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if you have recently been vomiting or had diarrhea.
If you have any of these conditions, you may not be able to use vorinostat, or you may need a dosage adjustment or special tests during treatment.
FDA pregnancy category D. This medication can cause harm to an unborn baby. Do not use vorinostat without your doctor’s consent if you are pregnant. Tell your doctor if you become pregnant during treatment. Use an effective form of birth control while you are using this medication.
It is not known whether vorinostat passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
Take this medication exactly as it was prescribed for you. Do not take the medication in larger amounts, or take it for longer than recommended by your doctor. Follow the directions on your prescription label.
Your doctor may occasionally change your dose to make sure you get the best results from this medication.
Vorinostat is usually taken once daily with food.
Drink at least 2 liters of water each day to keep from getting dehydrated while you are taking vorinostat. Tell your doctor if you have severe vomiting or diarrhea during treatment.
Do not crush or open a vorinostat capsule. Swallow the pill whole. The medicine inside the capsule can be dangerous if it gets in your eyes, mouth, or nose, or on your skin. If contact occurs, wash the skin area with soap and water or rinse the eyes thoroughly with plain water. If you must handle a broken capsule, ask your doctor or pharmacist how to safely dispose of it.
To be sure this medication is not causing harmful effects, your blood will need to be tested on a regular basis. Your kidney function may also need to be tested. Do not miss any scheduled visits to your doctor.
Store vorinostat at room temperature away from moisture and heat.
Take the missed dose as soon as you remember. If it is almost time for your next dose,
skip the missed dose and take the medicine at your next regularly scheduled time.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using vorinostat and call your doctor at once if you have any of these serious side effects:
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sudden shortness of breath, chest pain that gets worse with breathing, coughing up blood, fainting;
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pain or swelling in one or both legs;
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pale skin, easy bruising or bleeding, unusual weakness;
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black, bloody, or tarry stools;
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severe or prolonged vomiting or diarrhea;
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increased thirst or urination;
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dry mouth, confusion, nausea, vomiting, feeling light-headed, fainting, decreased sweating, and hot, dry skin;
Continue taking vorinostat and talk with your doctor if you have any of these less serious side effects:
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nausea, vomiting, diarrhea, constipation;
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headache, tired feeling;
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loss of appetite;
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dry mouth, changes in the way things taste;
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weight loss;
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chills;
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hair loss; or
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muscle spasms.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
Do not use this medication without telling your doctor if you are pregnant. It could cause harm to the unborn baby. Use an effective form of birth control, and tell your doctor if you become pregnant during treatment.
Drink at least 2 liters of water each day to keep from getting dehydrated while you are taking vorinostat. Tell your doctor if you have severe vomiting or diarrhea during treatment.
Call your doctor at once if you have symptoms of bleeding in your stomach or intestines. This includes black, bloody, or tarry stools, or coughing up blood or vomit that looks like coffee grounds.
Do not crush or open a vorinostat capsule. Swallow the pill whole. The medicine inside the capsule can be dangerous if it gets in your eyes, mouth, or nose, or on your skin. If contact occurs, wash the skin area with soap and water or rinse the eyes thoroughly with plain water. If you must handle a broken capsule, ask your doctor or pharmacist how to safely dispose of it.
To be sure this medication is not causing harmful effects, your blood will need to be tested on a regular basis. Your kidney function may also need to be tested. Do not miss any scheduled visits to your doctor.
Avoid becoming overheated or dehydrated during exercise and in hot weather. Drink at least 2 liters of water each day while you are taking vorinostat.
Before taking vorinostat, tell your doctor if you are using any of the following drugs:
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valproic acid; or
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a blood thinner such as warfarin (Coumadin).
If you are using any of these drugs, you may not be able to use vorinostat, or you may need dosage adjustments or special tests during treatment.
There may be other drugs not listed that can affect vorinostat. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Seek emergency medical attention if you think you have used too much of this medicine.
Symptoms of a vorinostat overdose are not known.
