Posaconazole

Adult Medication

Brand Names: US

Noxafil

Brand Names: Canada

Posanol

What is this drug used for?

  • It is used to treat fungal infections.
  • It is used to prevent fungal infections.

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

All products:

  • If you have an allergy to posaconazole 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 have any of these health problems: Low calcium levels, low magnesium levels, or low potassium levels.
  • If you are taking any of these drugs: Atorvastatin, dihydroergotamine, ergonovine, ergotamine, lovastatin, methylergonovine, phenytoin, pimozide, quinidine, rifabutin, simvastatin, or sirolimus.
  • If you are breast-feeding or plan to breast-feed.

Liquid (suspension):

  • If you are taking any of these drugs: Cimetidine or esomeprazole.

Injection:

  • If the patient is a child. Do not give this drug to a child.
This is not a list of all drugs or health problems that interact with this drug.
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?

All products:

  • Tell all of your health care providers that you take this drug. This includes your doctors, nurses, pharmacists, and dentists.
  • Have blood work checked as you have been told by the doctor. Talk with the doctor.
  • Do not use longer than you have been told. A second infection may happen.
  • Do not switch between different forms of this drug without first talking with the doctor.
  • This drug may affect how much of some other drugs are in your body. If you are taking other drugs, talk with your doctor. You may need to have your blood work checked more closely while taking this drug with your other drugs.
  • If you are taking vinblastine, vincristine, or vinorelbine, talk with your doctor. Very bad nerve problems like seizures; burning, numbness, and tingling; and a type of bowel block have happened when this drug was used with vincristine.
  • 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.

Liquid (suspension):

  • If you have high blood sugar (diabetes), you will need to watch your blood sugar closely.

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:

All products:

  • 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 electrolyte problems like mood changes, confusion, muscle pain or weakness, a heartbeat that does not feel normal, seizures, not hungry, or very bad upset stomach or throwing up.
  • Signs of high blood pressure like very bad headache or dizziness, passing out, or change in eyesight.
  • Shortness of breath.
  • Swelling in the arms or legs.
  • Fever or chills.
  • Sore throat.
  • Nosebleed.
  • Any unexplained bruising or bleeding.
  • Vaginal bleeding that is not normal.
  • Feeling very tired or weak.
  • Chest pain.
  • A type of abnormal heartbeat (prolonged QT interval) can happen with this drug. Call your doctor right away if you have a fast heartbeat, a heartbeat that does not feel normal, or if you pass out.
  • Very bad and sometimes deadly liver problems have happened with 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.

All oral products:

  • Mouth irritation or mouth sores.
  • Very loose stools (diarrhea).
  • Very upset stomach or throwing up.

Liquid (suspension):

  • Signs of high blood sugar like confusion, feeling sleepy, more thirst, more hungry, passing urine more often, flushing, fast breathing, or breath that smells like fruit.

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:

All products:

  • Belly pain.
  • Headache.
  • Feeling tired or weak.
  • Hard stools (constipation).
  • Loose stools (diarrhea).
  • Upset stomach or throwing up.
  • Cough.
  • Not hungry.

Liquid (suspension):

  • Dizziness.
  • Joint pain.
  • Back pain.
  • Not able to sleep.
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.

Liquid (suspension):

  • Take this drug with a full meal.
  • If you are not able to eat a full meal, take this drug with a liquid nutrition supplement or an acidic carbonated drink like ginger ale. If you are not able to drink these drinks, talk with your doctor.
  • Shake well before use.
  • Measure liquid doses carefully. Use the measuring device that comes with this drug.

Long-acting tablets:

  • Take this drug with food.
  • Swallow whole. Do not chew, break, or crush.
  • If you have trouble swallowing, talk with your doctor.
  • Tell your doctor if you cannot take this drug with food.

All oral 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.

Injection:

  • It is given as an infusion into a vein over a period of time.

What do I do if I miss a dose?

All oral products:

  • Take a missed dose as soon as you think about it.

Liquid (suspension):

  • 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.

Long-acting tablets:

  • If it is less than 12 hours until the 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.

Injection:

  • Call your doctor to find out what to do.

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

All oral products:

  • Store at room temperature.
  • Store in a dry place. Do not store in a bathroom.

Liquid (suspension):

  • Do not freeze.

Injection:

  • If you need to store this drug at home, talk with your doctor, nurse, or pharmacist about how to store it.

All products:

  • 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.

Last Reviewed Date

2016-09-26

Copyright

© 2017 Wolters Kluwer Clinical Drug Information, Inc. and its affiliates and/or licensors. All rights reserved.

Last Updated