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MEDICAL INFORMATION
Ketoconazole Key Facts
What dosages is Ketoconazole available in?
Ketoconazole is available as a 200 mg oral tablet.
What is Ketoconazole used for?
Ketoconazole is an antifungal that is used to treat certain fungal infections that has spread throughout the body.
How does Ketoconazole work?
Ketoconazole is an azole antifungal medication that works by stopping the fungus from being able to make a protective covering. This causes the fungus to not grow or survive.
How do I take Ketoconazole?
Ketoconazole is typically started at 200 mg by mouth once daily. If needed, your provider might raise the dose to 400 mg once daily. Your child’s provider will calculate the dose based on your child’s body weight.
Is it safe for me to take Ketoconazole?
Ketoconazole is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication if you are taking certain CYP3A4 substrates or have acute or chronic liver disease.
Ketoconazole Common Side Effects
Common side effects of Ketoconazole:
- Nausea
- Vomiting
- Diarrhea
- Constipation
- Stomach pain
- Passing gas
- Dry mouth
- Tongue discoloration
Ketoconazole Serious Side Effects
Serious side effects are rare with Ketoconazole. Contact your healthcare provider immediately if you experience any of the following.
- Liver damage: nausea, vomiting, feeling tired, stomach pain, yellowing of your skin or whites of your eye (jaundice), dark-colored urine, pale-colored stool
- Abnormal heart rhythm (QT prolongation): chest pounding, short of breath, chest pain, feeling faint or lightheaded
- Extremely low cortisol levels (adrenal insufficiency): feeling very weak or tired, dizziness, weight loss, no appetite
- Serious allergic reaction: hives, rash, blisters, skin reddening, swelling of the lips or tongue, difficulty breathing
Effects of other drugs, drug classes and over-the-counter products on Ketoconazole
The following medications may interact with Ketoconazole:
- Ketoconazole is a substrate and potent inhibitor of CYP3A4. Therefore, the following drug interactions may occur when Ketoconazole is co-administered with other drugs that interact with CYP3A4. Some examples include alprazolam, midazolam, triazolam, HMG-CoA reductase inhibitors (lovastatin, simvastatin), cisapride, nisoldipine, dofetilide, pimozide, alfentanil, fentanyl, sulfentanil Indinavir, saquinavir, amlodipine, felodipine, nicardipine, nifedipine, rifabutin, sildenafil, sirolimus (co-administration not recommended), and carbamazepine. See package insert for a full list of drug interactions
Who makes Ketoconazole?
Various FDA-approved generic manufacturers
Is Ketoconazole safe in pregnancy?
Ketoconazole hasn’t been well-studied in pregnant females. But animal studies suggest and reports show that it can cause harm to unborn babies. Speak with your healthcare provider right away if you find out you’re pregnant or you’re thinking of becoming pregnant while taking Ketoconazole.
What is the brand name for Ketoconazole?
Medical Disclaimer
NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.
The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.
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