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Precautions
It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly. Blood tests may be needed to check for unwanted effects .
Ketoconazole should not be taken with astemizole (e.g., Hismanal), cisapride (e.g., Propulsid), or terfenadine (e.g., Seldane). Doing so may increase the risk of serious side effects that affect the heart .
Liver problems may occur while you are taking this medicine. Check with your doctor right away if you are having more than one of these symptoms: abdominal pain or tenderness; clay-colored stools; dark urine; decreased appetite; fever; headache; itching; loss of appetite; nausea and vomiting; skin rash; swelling of the feet or lower legs; unusual tiredness or weakness; or yellow eyes or skin .
If your symptoms do not improve, or if they become worse, check with your doctor. You may need to take this medicine for several months before your infection gets better .
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