Side effects of Voriconazole Uses & Precautions

Side effects of Voriconazole; Uses & Precautions

Side effects of Voriconazole Uses & Precautions. Voriconazole, sold under the brand name Vfend among others, is an antifungal medication used to treat a number of fungal infections. This includes aspergillosis, candidiasis, coccidioidomycosis, histoplasmosis, penicilliosis, and infections by Scedosporium or Fusarium.


Side effects of Voriconazole Uses & Precautions. Voriconazole is used to treat a variety of fungal infections. It belongs to a class of drugs known as azole antifungals. It works by stopping the growth of fungi

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  • Before taking voriconazole, make sure you’re not allergic to it; or to other azole antifungals (such as itraconazole) or if you have any other allergies.
  • Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease, heart problems (such as irregular heartbeat).
  • Voriconazole may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can rarely cause serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away.
  • Before using voriconazole, tell your doctor if you have any of the following conditions heart failure, slow heartbeat, QT prolongation in the EKG, family history of certain heart problems (QT prolongation in the EKG, sudden cardiac death).
  • This drug may cause vision Do not drive, use machinery, or do any activity that requires clear vision until you are sure you can perform such activities safely. Do not drive at night.
  • Avoid alcoholic beverages since they can increase the risk of serious liver problems.
  • Voriconazole may make you more sensitive to the sun. Limit your time in the sun.
  • Before having surgery, tell your doctor or dentist about all the products you use.
  • Older adults may be more sensitive to the side effects of this drug, especially QT prolongation.
  • Children may be at greater risk for liver problems and being more sensitive to the sun while using this drug.
  • Tell your doctor if you are pregnant.You should not become pregnant while using voriconazole. Voriconazole may harm an unborn baby.


  • Abnormal vision
  • Diarrhea
  • Nausea
  • Vomiting
  • Headache
  • Dizziness
  • Dry mouth
  • Flushing


  • fever
  • Chills or shaking
  • Fast heartbeat
  • fast breathing
  • Confusion
  • Upset stomach
  • Extreme tiredness
  • Unusual bruising or bleeding
  • Lack of energy
  • Loss of appetite
  • Itching, dark urine, loss of appetite, fatigue, yellowing of the skin or eyes, pain in the upper right part of the stomach, nausea, vomiting, or flu-like symptoms
  • Hallucinations
  • Chest pain or tightness
  • Rash
  • Sweating
  • Hives or skin peeling
  • Difficulty breathing or swallowing
  • Swelling of the hands, feet, ankles, or lower legs