Generic Name: Itraconazole Tablets (IT ra KON a zole)
Brand Name: Onmel
- Do not use Onmel (itraconazole tablets) 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 medicine.
- Do not take Onmel if you are taking any of these drugs: Cisapride, dihydroergotamine, disopyramide, dofetilide, dronedarone, eplerenone, ergonovine, ergotamine, felodipine, irinotecan, ivabradine, lovastatin, lurasidone, methadone, methylergonovine, oral midazolam, nisoldipine, pimozide, quinidine, ranolazine, simvastatin, ticagrelor, or triazolam. Taking them with this medicine 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 Onmel if you are also taking fesoterodine, solifenacin, telithromycin, or a drug that has colchicine in it.
Uses of Onmel:
- It is used to treat fungal infections.
What do I need to tell my doctor BEFORE I take Onmel?
- If you have an allergy to itraconazole or any other part of this medicine.
- 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 medicine 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 Onmel 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 Onmel?
For all uses of this medicine:
- Tell all of your health care providers that you take Onmel. 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 medicine 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), you will need to watch your blood sugar closely.
- Do not switch brands or types of Onmel (like tablets, liquid) unless you talk with the doctor. They may not work the same.
- This medicine may interact with many other drugs. This may affect how well this medicine 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 Onmel with care. You could have more side effects.
- 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 medicine 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:
- It may take a few weeks to months to see the full effect.
- Use birth control that you can trust to prevent pregnancy while taking Onmel (itraconazole tablets) and for at least 2 months after your last dose.
How is this medicine (Onmel) best taken?
Use this medicine as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- To gain the most benefit, do not miss doses.
- Keep taking Onmel as you have been told by your doctor or other health care provider, even if you feel well.
- Take this medicine at the same time of day.
- Take Onmel with a full meal.
- If you have low stomach acid or you take another drug to lower stomach acid, take this medicine with an acidic drink like non-diet cola.
- Do not take antacids within 2 hours of Onmel.
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.
See also: Dosage Information (in more detail)
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.
- Not able to pass urine or change in how much urine is passed.
- Pain when passing urine.
- Chest pain or pressure or a fast heartbeat.
- Change in sex ability.
- Low mood (depression).
- Very bad dizziness or passing out.
- Fever or chills.
- Hair loss.
- Joint pain.
- Ringing in ears.
- Any unexplained bruising or bleeding.
- Change in eyesight.
- Feeling very tired or weak.
- Hearing loss has happened with this medicine. Many times this has happened when Onmel was taken along with quinidine. This will most often go away after this medicine 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 Onmel. 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 Onmel?
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:
- Belly pain.
- Upset stomach or throwing up.
- Loose stools (diarrhea).
- 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 the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
See also: Side effects (in more detail)
If OVERDOSE is suspected:
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.
How do I store and/or throw out Onmel?
- 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.
Consumer Information Use and Disclaimer
- 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. Check with your pharmacist. If you have any questions about this medicine, please talk with your doctor, nurse, pharmacist, or other health care provider.
This information should not be used to decide whether or not to take Onmel 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 Onmel (itraconazole tablets). 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.
Review Date: September 6, 2017
More about Onmel (itraconazole)
- Side Effects
- During Pregnancy or Breastfeeding
- Dosage Information
- Drug Interactions
- Support Group
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- Drug class: azole antifungals