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What is Voriconazole used for?

Voriconazole is an azole-type antifungal medication used to treat a variety of fungal infections (for example, serious fungal infections such as invasive aspergillosis and esophageal candidiasis). Voriconazole is particularly useful in the treatment of patients who do not respond to other types of treatment. It works by stopping the growth of the fungi. This medicine is available in pill and vial forms. This medicine may also be used to treat other conditions as determined by your doctor.

What is the recommended dosage of Voriconazole?

The dosage of Voriconazole prescribed to each patient will vary. Always follow your physician’s instructions and/or the directions on the prescription drug label.

What if you miss a dose of Voriconazole?

If your physician has instructed or directed you to take Voriconazole medication in a regular schedule and you have missed a dose of this medicine, take it as soon as you remember. However, if it is almost time for your next dose, then skip the missed dose and go back to your regular dosing schedule. Do not double the doses unless otherwise directed.

What if you overdose on Voriconazole?

Any medication taken in excess can have serious consequences. If you suspect an overdose of Voriconazole, seek medical attention immediately.

What other drugs could interact with Voriconazole?

  • Astemizole
  • Carbamazepine
  • Cisapride
  • Dihydroergotamine
  • Dronedarone
  • Ergonovine
  • Ergotamine
  • Methysergide
  • Phenobarbital
  • Pimozide
  • Quinidine
  • Rifabutin
  • Rifampin
  • Ritonavir
  • Sirolimus
  • St John's Wort
  • Terfenadine

It may be noted that drugs other than those listed above may also interact with Voriconazole.

Usually drug interactions occur when it is taken with another drug or with food. Before you take a medication for a particular ailment, you should inform the health expert about intake of any other medications including non-prescription medications, over-the-counter medicines that may increase the effect of Voriconazole, and dietary supplements like vitamins, minerals and herbal, so that the doctor can warn you of any possible drug interactions.

Voriconazole can interact with rifamycin antibiotics, barbiturates, and blood thinners.

Do let your doctor know if you smoke, consume alcohol or caffeinated drinks, or use illegal drugs as these may interfere with the action of your medication. Make sure to inform your doctor of any medical conditions you may have, or any family history of medical problems. Do not start or stop using any medicine without consulting your doctor.

What are the side effects of Voriconazole?

Like other medicines, Voriconazole can cause some side effects. If they do occur, the side effects of Voriconazole are most likely to be minor and temporary. However, some may be serious and may require the individual to inform the doctor or visit the nearest hospital immediately.

It is pertinent to note that side effects of Voriconazole cannot be anticipated. If any side effects of Voriconazole develop or change in intensity, the doctor should be informed as soon as possible.

Voriconazole can cause side effects such as nausea, fever, chills, blurred vision, diarrhea, dizziness, dry mouth, and loss of appetite. This is not a complete list of all side effects. Do concur with your doctor and follow his directions completely when you are taking Voriconazole.

What are the questions to ask your doctor before taking Voriconazole?

Is it possible for me to take Voriconazole with other drugs?
Should certain beverages, foods and other products be avoided when I take Voriconazole?
What are the possible drug interactions of Voriconazole?
How will Voriconazole work in my body?
How should Voriconazole be taken?
How to reduce the risk of Voriconazole drug interactions and side effects?


The health and medical information provided here is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacists or other health care professional. It should not be understood to indicate that the use of Voriconazole is safe, appropriate or effective for you. Always consult your health care professional before using this, or any other, drug.


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