Adult Medication

Brand Names: US

Onmel; Sporanox; Sporanox Pulsepak

Brand Names: Canada



  • Do not use this drug to treat nail fungus if you have or have ever had a weak heart. Get medical help right away if you have signs of a weak heart like shortness of breath, a big weight gain, coughing up white or pink mucus, waking up at night more than normal, or swelling in the arms or legs while you take this drug.
  • Do not take this drug if you are taking any of these drugs: Cisapride, dihydroergotamine, disopyramide, dofetilide, dronedarone, eplerenone, ergonovine, ergotamine, felodipine, irinotecan, lovastatin, lurasidone, methadone, methylergonovine, oral midazolam, nisoldipine, pimozide, quinidine, ranolazine, simvastatin, ticagrelor, or triazolam. Taking them with this drug can cause very bad and sometimes deadly heart problems like a heartbeat that is not normal and heart attack. Talk with your doctor.
  • If you have kidney or liver problems, do not take this drug if you are also taking fesoterodine, solifenacin, telithromycin, or a drug that has colchicine in it.

What is this drug used for?

  • It is used to treat fungal infections.

What do I need to tell my doctor BEFORE I take this drug?

  • If you have an allergy to itraconazole or any other part of this drug.
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • If you are being treated for a nail infection and you are pregnant or are planning to get pregnant.
This drug may interact with other drugs or health problems.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this drug with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take this drug?

  • Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
  • Avoid driving and doing other tasks or actions that call for you to be alert until you see how this drug affects you.
  • If you have dizziness or change in eyesight, do not drive or do other tasks or actions that could be unsafe.
  • Have blood work checked as you have been told by the doctor. Talk with the doctor.
  • If you have high blood sugar (diabetes), talk with your doctor. This drug may lower blood sugar. High blood sugar drugs may need to be changed.
  • Do not switch brands or types of this drug (like tablets, liquid) unless you talk with the doctor. They may not work the same.
  • This drug may interact with many other drugs. This may affect how well this drug works or cause side effects. In some cases, it may lead to life-threatening effects or sudden death. Be sure your doctor and pharmacist know all of the drugs that you take.
  • Do not use longer than you have been told. A second infection may happen.
  • Talk with your doctor before you drink alcohol.
  • You may get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen and wear clothing and eyewear that protects you from the sun.
  • If you are 65 or older, use this drug with care. You could have more side effects.
  • Birth control pills and other hormone-based birth control may not work as well to prevent pregnancy. Use some other kind of birth control also like a condom when taking this drug.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this drug while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

Nail fungal infections:

  • Use birth control that you can trust during care and for 2 months after care ends.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Signs of low potassium levels like muscle pain or weakness, muscle cramps, or a heartbeat that does not feel normal.
  • Signs of a pancreas problem (pancreatitis) like very bad stomach pain, very bad back pain, or very bad upset stomach or throwing up.
  • A burning, numbness, or tingling feeling that is not normal.
  • Blood in the urine.
  • Breast pain.
  • Enlarged breasts.
  • Not able to pass urine or change in how much urine is passed.
  • Chest pain or pressure or a fast heartbeat.
  • Change in sex ability.
  • Low mood (depression).
  • Trouble swallowing.
  • Very bad dizziness or passing out.
  • Fever or chills.
  • Sore throat.
  • Hair loss.
  • Joint pain.
  • Ringing in ears.
  • Shakiness.
  • Not able to sleep.
  • Any unexplained bruising or bleeding.
  • Dry mouth.
  • Dry eyes.
  • Change in eyesight.
  • Feeling very tired or weak.
  • Hearing loss has happened with this drug. Many times this has happened when this drug was taken along with quinidine. This will most often go away after this drug is stopped but may last for a long time in some people. Talk with your doctor.
  • Very bad and sometimes deadly liver problems have rarely happened with this drug. Sometimes this happened within 7 days of starting this drug. Call your doctor right away if you have signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain, light-colored stools, throwing up, or yellow skin or eyes.

What are some other side effects of this drug?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
  • Headache.
  • Belly pain.
  • Upset stomach or throwing up.
  • Loose stools (diarrhea).
  • Dizziness.
  • Gas.
  • Runny nose.
  • Bad taste in your mouth.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to your national health agency.

How is this drug best taken?

Use this drug as ordered by your doctor. Read all information given to you. Follow all instructions closely.

All products:

  • To gain the most benefit, do not miss doses.
  • Keep taking this drug as you have been told by your doctor or other health care provider, even if you feel well.
  • Take this drug at the same time of day.

Tablets and capsules:

  • Take this drug with a full meal.
  • If you have low stomach acid or you take another drug to lower stomach acid, take this drug with an acidic drink like non-diet cola.
  • Do not take antacids within 2 hours of this drug.


  • Swallow whole. Do not chew, break, or crush.

Liquid (solution):

  • Take liquid (solution) on an empty stomach. Take 1 hour before or 2 hours after meals.
  • Measure liquid doses carefully. Use the measuring device that comes with this drug. If there is none, ask the pharmacist for a device to measure this drug.
  • For yeast infections in the mouth, throat, or swallowing tube (esophagus): Swish in your mouth for a few seconds and swallow.

What do I do if I miss a dose?

  • Take a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not take 2 doses at the same time or extra doses.

How do I store and/or throw out this drug?

  • Store at room temperature. Do not freeze.
  • Protect from light.
  • Store in a dry place. Do not store in a bathroom.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Check with your pharmacist about how to throw out unused drugs.

General drug facts

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else’s drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Some drugs may have another patient information leaflet. If you have any questions about this drug, please talk with your doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Consumer Information Use and Disclaimer

This information should not be used to decide whether or not to take this medicine or any other medicine. Only the healthcare provider has the knowledge and training to decide which medicines are right for a specific patient. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from the healthcare provider. You must talk with the healthcare provider for complete information about the risks and benefits of using this medicine.

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