- are allergic to voriconazole or any of the ingredients in voriconazole. See the end of this leaflet for a complete list of ingredients in voriconazole.
- are taking any of the following medicines:
- long-acting barbiturates like phenobarbital
- ergotamine, dihydroergotamine (ergot alkaloids)
- St. John's Wort (herbal supplement)
Do not start taking a new medicine without talking to your healthcare provider or pharmacist.
- have or ever had heart disease, or an abnormal heart rate or rhythm. Your healthcare provider may order a test to check your heart (EKG) before starting voriconazole.
- have liver or kidney problems. Your healthcare provider may do blood tests to make sure you can take voriconazole.
- have trouble digesting dairy products, lactose (milk sugar), or regular table sugar. Voriconazole tablets contain lactose. Voriconazole liquid contains sucrose (table sugar).
- are pregnant or plan to become pregnant. Voriconazole can harm your unborn baby. Talk to your healthcare provider if you are pregnant or plan to become pregnant. Women who can become pregnant should use effective birth control while taking voriconazole. Talk to your healthcare provider about birth control methods that may be right for you.
- are breast-feeding or plan to breast-feed. It is not known if voriconazole passes into breast milk. Talk to your healthcare provider about the best way to feed your baby if you take voriconazole.
Voriconazole may affect the way other medicines work, and other medicines may affect how voriconazole works.
Know what medicines you take. Keep a list of them to show your healthcare provider or pharmacist when you get a new medicine.