Read the Patient Information Leaflet if available from your pharmacist before you start taking voriconazole and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

Take this medication by mouth without food (at least 1 hour before or 1 hour after meals) as directed by your doctor, usually every 12 hours.

The dosage and length of treatment are based on your medical condition, weight, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

For the best effect, take this antifungal at evenly spaced times. To help you remember, take this medication at the same times every day.

Continue to take this medication until the full prescribed amount is finished, even if symptoms disappear after a few days. Stopping the medication too early may result in a return of the infection.

Tell your doctor if your condition does not get better or if it gets worse.