It is important that your family doctor check your progress at regular appointments. This will allow your family doctor to check for any unwanted effects.
If your symptoms do not improve within a few weeks - or months for some infections, or if they become worse, check with your family doctor.
These medication must not be taken with astemizole - Hismanal, cisapride - Propulsid,dofetilide - Tikosyn or terfenadine - Seldane . Doing so may increase the risk of serious side effects effecting the heart.
Liver problems may be more likely to occur if you drink alcoholic beverages while you are taking ketoconazole. Alcoholic beverages may also cause stomach pain, nausea, vomiting, headache, or flushing or redness of the face. Other alcohol-containing preparations - for example, elixirs, cough syrups, tonics may also cause problems. These problems may occur for at least a day after you stop taking ketoconazole. Therefore, you must not drink alcoholic beverages or use alcohol-containing preparations while you are taking this drug and for at least a day after you stop taking it .
If you are taking antacids, cimetidine - Tagamet, famotidine - Pepcid, nizatidine - Axid, omeprazole - Prilosec, or ranitidine - Zantac while you are taking itraconazole or ketoconazole, take the other drug at least 2 hours after you take itraconazole or ketoconazole . If you take these medication at the same time that you take itraconazole or ketoconazole, they will keep your antifungal drug from help you.
Ketoconazole may cause your eyes to become more sensitive to light than they are normally. Wearing sunglasses and avoiding too much exposure to bright light may help lessen the discomfort.