• Ketoconazole is used to treat fungus infections that may occur in different parts of the body..

How should you take this medication?

• Ketoconazole is usually taken once a day. Take each dose with a full glass of water.
   
• Do not take antacids within 1 hour before or 2 hours after taking Ketoconazole. Ketoconazole works best if it is taken at the same time each day.
   
• If you miss a dose of Ketoconazole , take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule.

General Precautions with Ketoconazole

• Do not take ketoconazole if you are taking astemizole (Hismanal), cisapride (Propulsid), triazolam (Halcion), or midazolam (Versed). Doing so may increase the risk of serious side effects affecting the heart.
• If your symptoms do not improve within a few weeks, or if they become worse, check with your doctor.
  
  Liver problems may be more likely to occur if you drink alcoholic beverages while you are taking ketoconazole.

What are the possible side effects of Ketoconazole?

• If you experience any of the following serious side effects, stop taking ketoconazole and seek emergency medical attention or contact your doctor immediately: an allergic reaction (difficulty breathing; closing of the throat; swelling of the lips, tongue, or face; or hives); or liver damage (pale stools, yellowish skin or eyes, abdominal pain, unusual fatigue, or dark urine).
• Nausea, vomiting, stomach pain, constipation, and gas may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.