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Ketoconazole
CAUTION:
Ketoconazole may cause liver damage. Inform your doctor if you drink or
have ever drunk large amounts of alcohol and if you have or have ever
had liver disease. Inform your doctor and pharmacist if you are taking
acetaminophen (Tylenol, others); cholesterol-lowering medications (statins)
such as atorvastatin (Lipitor), fluvastatin (Lescol), lovastatin (Mevacor),
pravastatin (Pravachol), or simvastatin (Zocor); isoniazid (INH,
Nydrazid); methotrexate (Rheumatrex); niacin (nicotinic acid); or
rifampin. If you have any of the following symptoms, call your doctor
without delay: extreme tiredness, loss of appetite (anorexia), upset
stomach, vomiting, yellowing of the skin or eyes, jaundice, dark yellow
urine, pale stools, pain in the upper right part of the stomach, or
flu-like symptoms.
General Information and Indications:
Ketoconazole is used to treat fungal
infections. Ketoconazole is most often used to treat fungal infections that
can spread to different parts of the body through the bloodstream such as
yeast infections of the mouth, skin, urinary tract, and blood, and certain
fungal infections that begin on the skin or in the lungs and can spread
through the body. Ketoconazole is also used to treat fungal infections of
the skin or nails that cannot be treated with other medications.
Ketoconazole is in a class of antifungals called imidazoles. It works by
slowing the growth of fungi that cause infection.
Information For Users:
Ketoconazole comes as a tablet to take by mouth.
It is usually taken once a day. To help you remember to take ketoconazole,
take it at around the same time every day. Follow the directions on your
prescription label, ask your doctor or pharmacist If you have any questions.
Take ketoconazole exactly as directed. Do not take more or less of it or
take it more often than prescribed by your health care provider.
If you have certain medical conditions, your doctor will tell you to take
ketoconazole tablets dissolved in an acid solution. Your doctor will tell
you exactly how to do this. Follow these directions carefully.
Your doctor will probably start you on an average dose of ketoconazole. Your
doctor may increase your dose if your infection is very serious or your
condition does not improve.
You may need to take ketoconazole for several weeks or months to cure your
infection completely. Your doctor will probably order laboratory tests to be
sure your infection has been treated. Continue taking ketoconazole until
your doctor tells you that you should stop, even if you feel better. Do not
discontinue taking ketoconazole without informing your doctor. If you stop
taking ketoconazole too soon, your infection may come back after a short
time.
Other uses for this medicine
Ketoconazole is also sometimes used to treat vaginal yeast infections, tinea
versicolor (spots on skin caused by yeast), eumycetoma (a severe fungal skin
infection that often affects the foot), leishmaniasis (a disease caused by
the bite of an infected sand fly), prostate cancer (cancer that begins in a
male reproductive organ), high blood levels of calcium in patients with
certain conditions, Cushing's syndrome (high blood levels of a natural
substance called cortisol), and excessive hair growth in women. Talk to your
doctor about the possible risks of using this medication.
special precautions:
o Inform your doctor or pharmacist if you have
allergy to ketoconazole, other antifungal medications such as fluconazole (Diflucan),
itraconazole (Sporonox), or voriconazole (Vfend); any other medications; or
corn.
o do not take ketoconazole if you are taking any of the medications listed
in the CAUTION section or triazolam (Halcion).
o Inform your doctor and pharmacist what other prescription and
nonprescription medications, vitamins, nutritional supplements, and herbal
products you are taking. Be sure to mention the medications listed in the
CAUTION section and any of the following: alprazolam (Xanax); anticoagulants
('blood thinners') such as warfarin (Coumadin); buspirone (Buspar); calcium
channel blockers such as amlodipine (Norvasc), diltiazem (Cardizem, Dilacor,
Tiazac), felodipine (Plendil), nifedipine (Adalat, Procardia), nisoldipine (Sular),and
verapamil (Calan, Covera, Isoptin, Verelan);clarithromycin (Biaxin);
cyclosporine (Neoral, Sandimmune); diazepam (Valium); digoxin (Lanoxin);
erythromycin (E.E.S., E-Mycin, Erythrocin); HIV protease inhibitors such as
indinavir (Crixivan), ritonavir (Norvir), and saquinavir (Invirase,
Fortovase); loratadine (Claritin); medications for diabetes; medications for
erectile dysfunction such as sildenafil (Viagra), tadalafil (Cialis) and
vardenafil (Levitra); methadone (Dolophine); methylprednisolone (Medrol);
midazolam (Versed); phenytoin (Dilantin); pimozide (Orap); quinidine (Quinidex,
Quinaglute); quinine; tacrolimus (Prograf); tamoxifen (Nolvadex);
telithromycin (Ketek); trazodone (Desyrel); and vincristine (Vincasar). Your
doctor may need to change the doses of your medications or monitor you
carefully for side effects.
o if you are taking antacids; antihistamines; medications for heartburn or
ulcers such as cimetidine (Tagamet), famotidine (Pepcid), nizatadine (Axid),
or ranitidine (Zantac); or medications for irritable bowel disease, motion
sickness, Parkinson's disease, ulcers, or urinary problems, take them 2
hours after you take ketoconazole.
o inform your doctor if you are breast-feeding the conditions mentioned in
the CAUTION section or any condition that decreases the amount of acid in
your stomach.
o Inform your doctor if you are pregnant, plan to become pregnant, or are
breast-feeding. If you become pregnant while taking ketoconazole, call your
doctor. Do not breastfeed while you are taking ketoconazole.
o ask your doctor about the safe use of alcoholic beverages while you are
taking ketoconazole. You may experience unpleasant symptoms such as
flushing, rash, upset stomach, headache, and swelling of the hands, feet,
ankles, or lower legs if you drink alcohol while you are taking ketoconazole.
Possible Adverse
Effects:
Ketoconazole may cause adverse effects. Inform
your doctor if either of these symptoms is severe or does not go away:
o stomach pain
o depression
Some adverse effects could be serious. The following symptoms are uncommon,
but if you experience any of them or those listed in the CAUTION section,
call your doctor without delay:
o rash
o hives (Urticaria)
o itching
o difficulty swallowing or breathing
o thinking about harming or killing yourself or planning or trying to do so
A small number of patients who were taking high doses of ketoconazole for
prostate cancer died soon after they began taking the medication. It is not
known whether they died because of their disease or their treatment with
ketoconazole or for other reasons. Talk to your doctor about the risks of
taking ketoconazole.
Ketoconazole may cause a decrease in the number of sperm (male reproductive
cells) produced, especially if it is taken at high doses. Talk to your
doctor about the risks of taking this medication if you are a man and would
like to have children.
Brand Name(s):
o Nizoral® |