Generic name:
Fluconazole - injection
Pronunciation
(floo-KON-a-zole)
Brand name(s)
Diflucan
Generic name:
Fluconazole - injection
Pronunciation
(floo-KON-a-zole)
Brand name(s)
Diflucan
Fluconazole is an azole antifungal used to prevent and treat a variety of fungal infections. It works by stopping the growth of fungus.
This medication is given by injection into a vein as directed by your doctor, usually once daily. The dosage is based on your medical condition and response to treatment. Children's dosage is also based on weight.
If you are giving this medication to yourself at home, learn all preparation and usage instructions from your health care professional. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely.
This medication works best when the amount of medicine in your body is kept at a constant level. Use this drug at evenly spaced intervals.
Continue to take this medication until the full prescribed amount is finished, even if symptoms disappear. Stopping the medication too early may result in a return of the infection.
Tell your doctor if your condition lasts or gets worse.
Nausea, vomiting, diarrhea, stomach/abdominal pain, hair loss, or headache may occur. If any of these effects last or get worse, tell your doctor promptly.
Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if you have any serious side effects, including:
Get medical help right away if you have any very serious side effects, including:
This drug may rarely cause serious (possibly fatal) liver disease. Get medical help right away if you develop any signs of liver disease, including:
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including:
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before using fluconazole, tell your doctor or pharmacist if you are allergic to it; or to other azole antifungal drugs (such as itraconazole); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of:
Fluconazole may cause a condition that affects the heart rhythm (QT prolongation). QT prolongation can rarely cause serious (rarely fatal) fast/irregular heartbeat and other symptoms (such as severe dizziness, fainting) that need medical attention right away.
The risk of QT prolongation may be increased if you have certain medical conditions or are taking other drugs that may cause QT prolongation. Before using fluconazole, tell your doctor or pharmacist of all the drugs you take and if you have any of the following conditions:
Low levels of potassium or magnesium in the blood may also increase your risk of QT prolongation. This risk may increase if you use certain drugs (such as diuretics/"water pills") or if you have conditions such as severe sweating, diarrhea, or vomiting. Talk to your doctor about using fluconazole safely.
Older adults may be more sensitive to the side effects of this drug, especially QT prolongation (see above).
Tell your doctor if you are pregnant or plan to become pregnant. You should not become pregnant while using fluconazole. Fluconazole may harm an unborn baby, especially during the first 3 months of pregnancy. Ask about reliable forms of birth control while using this medication and for 1 week after the last dose. If you become pregnant, talk to your doctor right away about the risks and benefits of this medication.
This drug passes into breast milk. Consult your doctor before breastfeeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
A product that may interact with this drug is:
Many drugs besides fluconazole may affect the heart rhythm (QT prolongation), including pimozide, quinidine, macrolide antibiotics (such as erythromycin), among others.
Fluconazole can slow down the removal of other medications from your body, which can affect how they work. Examples of affected drugs include abrocitinib, asunaprevir, domperidone, flibanserin, lemborexant, lomitapide, macitentan, mavacamten, nirogacestat, among others.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call 1-800-222-1222. Canada residents can call 1-844-764-7669. Symptoms of overdose may include: hallucinations, mental/mood changes.
Lab and/or medical tests (such as liver function) should be done while you are using this medication. Keep all medical and lab appointments. Consult your doctor for more details.
It is important to get each dose of this medication as scheduled. If you miss a dose, ask your doctor or pharmacist right away for a new dosing schedule. Do not double the dose to catch up.
Consult the product instructions and your pharmacist for storage details. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
HOW TO USE THIS INFORMATION: This is a summary and does NOT have all possible information about this product. This information does not assure that this product is safe, effective, or appropriate for you. This information is not individual medical advice and does not substitute for the advice of your health care professional. Always ask your health care professional for complete information about this product and your specific health needs.
Information last revised August 2024.
Copyright(c) 2024 First Databank, Inc.
Selected from NATIONAL DRUG DATA FILE (NDDF) data included with permission and copyrighted by First Databank, Inc., 2019. This copyrighted material has been downloaded from a licensed data provider.
The above information is intended to supplement, not substitute for, the expertise and judgment of your health care professional. You should consult your health care professional before taking any drug, changing your diet, or commencing or discontinuing any course of treatment.