Generic Name: Voriconazole Suspension (VOR i KON a zole)
Brand Name: Vfend
Uses of Vfend:
- It is used to treat fungal infections.
What do I need to tell my doctor BEFORE I take Vfend?
- If you have an allergy to voriconazole or any other part of Vfend (voriconazole suspension).
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have low calcium levels.
- If you have any of these health problems: Low potassium or magnesium levels.
- If you are taking any of these drugs: Astemizole, carbamazepine, cisapride, dihydroergotamine, efavirenz, ergonovine, ergotamine, everolimus, fluconazole, methylergonovine, phenobarbital or other drugs like it, pimozide, quinidine, rifabutin, rifampin, ritonavir, sirolimus, St John's wort, or terfenadine.
This is not a list of all drugs or health problems that interact with this medicine.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Vfend with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Vfend?
- Tell all of your health care providers that you take this medicine. This includes your doctors, nurses, pharmacists, and dentists.
- Avoid driving and doing other tasks or actions that call for you to be alert or have clear eyesight until you see how Vfend affects you.
- Avoid driving at night.
- Have an eye exam if you are on this medicine for a long time. Talk with your doctor.
- Have blood work checked as you have been told by the doctor. Talk with the doctor.
- Do not use longer than you have been told. A second infection may happen.
- You may get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen and wear clothing and eyewear that protects you from the sun.
- Bright lights may bother you. Wear sunglasses.
- An unsafe heartbeat that is not normal (long QT on ECG) has happened with Vfend. Sudden deaths have rarely happened in people taking this medicine. Talk with the doctor.
- Use with care in children. Talk with the doctor.
- Use birth control that you can trust to prevent pregnancy while taking Vfend.
- This medicine may cause harm to the unborn baby if you take it while you are pregnant. If you are pregnant or you get pregnant while taking this medicine, call your doctor right away.
- Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.
How is this medicine (Vfend) best taken?
Use Vfend as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- To gain the most benefit, do not miss doses.
- Keep taking this medicine as you have been told by your doctor or other health care provider, even if you feel well.
- Take on an empty stomach. Take 1 hour before or 1 hour after meals.
- Shake well before use.
- Measure liquid doses carefully. Use the measuring device that comes with Vfend. If there is none, ask the pharmacist for a device to measure this medicine.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of a pancreas problem (pancreatitis) like very bad stomach pain, very bad back pain, or very bad upset stomach or throwing up.
- Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
- Fever or chills.
- Chest pain or pressure or a fast heartbeat.
- Bone pain.
- Very bad dizziness or passing out.
- A heartbeat that does not feel normal.
- Hallucinations (seeing or hearing things that are not there).
- Sweating a lot.
- Blurred eyesight.
- Change in eyesight.
- If bright lights bother your eyes.
- Skin reaction to light.
- Certain types of skin cancer have happened in people who were bothered by sunlight while taking Vfend (voriconazole suspension) for a long time. Call your doctor right away if you have a change in color or size of a mole or any other skin change or growth.
- A very bad skin reaction (Stevens-Johnson syndrome/toxic epidermal necrolysis) may happen. It can cause very bad health problems that may not go away, and sometimes death. Get medical help right away if you have signs like red, swollen, blistered, or peeling skin (with or without fever); red or irritated eyes; or sores in your mouth, throat, nose, or eyes.
- Very bad and sometimes deadly liver problems have happened with this medicine. Call your doctor right away if you have signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.
What are some other side effects of Vfend?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Upset stomach or throwing up.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Vfend?
- Store at room temperature. Do not refrigerate or freeze.
- Store in a dry place. Do not store in a bathroom.
- Throw away any part not used after 2 weeks.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Check with your pharmacist about how to throw out unused drugs.
Consumer Information Use and Disclaimer
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Vfend, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Vfend. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using Vfend.
Review Date: December 6, 2017
More about Vfend (voriconazole)
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- Drug class: azole antifungals