Itraconazole should not be used to treat fungal nail infections if you have a history of heart failure. Itraconazole may rarely cause or worsen heart failure. Tell your doctor right away if you develop symptoms of heart failure, such as shortness of breath, swelling ankles/feet, unusual tiredness, or unusual/sudden unexplained weight gain. Consult your doctor for more details.
This medication can slow down the removal of other medications from your body, which may cause very serious (possibly fatal) side effects to occur. Examples of affected drugs include certain "blood thinners" (such as ticagrelor), colchicine, certain drugs to treat irregular heartbeat (such disopyramide, dofetilide, dronedarone, quinidine), eplerenone, ergot alkaloids (such as dihydroergotamine, ergotamine, methylergonovine), felodipine, fesoterodine, irinotecan, ivabradine, lurasidone, methadone, midazolam, nisoldipine, pimozide, ranolazine, certain "statin" cholesterol drugs (such as lovastatin, simvastatin), solifenacin, telithromycin, triazolam, among others. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
Itraconazole is used to treat a variety of fungal infections. It belongs to a class of drugs known as azole antifungals. It works by stopping the growth of fungi.
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Take itraconazole 2 hours before or 1 hour after antacids. Antacids may decrease the absorption of this medication. Also, take this medication with an acidic drink (such as cola) if you have decreased or no stomach acid (achlorhydria) or if you take drugs that decrease stomach acid (for example, H2 blockers such as ranitidine, proton pump inhibitors such as omeprazole). Consult your doctor or pharmacist for more details.
The dosage and length of treatment are based on your medical condition and response to treatment. Take this medication exactly as prescribed by your doctor. Some conditions may require you to take this medication in cycles (twice daily for 1 week, then stopping the medication for 3 weeks).
For the best effect, take this antifungal at evenly spaced times. To help you remember, take this medication at the same time(s) every day. Mark your calendar with a reminder if you are taking this medication in cycles.
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.
The capsule, tablet, and solution forms of this medication deliver different amounts of medication and may be used for different purposes. Do not switch between the different forms or brands of this drug without your doctor's direction.
Tell your doctor if your condition does not get better or if it gets worse.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.