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What is Diflucan?

Fluconazole belongs to a group of medications known as antifungals. It is most commonly used to treat fungal infections of the mouth (thrush), esophagus (the tube that takes food from the throat to the stomach), lungs, urinary tract, and vagina (yeast infection).

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Fluconazole belongs to a group of medications known as antifungals. It is most commonly used to treat fungal infections of the mouth (thrush), esophagus (the tube that takes food from the throat to the stomach), lungs, urinary tract, and vagina (yeast infection). It works by preventing the fungi that are causing infection from reproducing and the infection from continuing. The fungi then die off, causing the infection to clear.

It is also used to treat cryptopcoccal Meningitis and prevent the recurrence of cryptococcal meningitis in people with acquired immunodeficiency syndrome (AIDS), and to decrease the risk of Candidiasis infection in people undergoing bone marrow transplants who are treated with chemotherapy or radiation therapy.

Diflucan may be available under multiple brand names and/or in several different forms. Any specific brand name of Diflucan may not be available in all of the forms or approved for all of the conditions discussed here. As well, some forms of Diflucan may not be used for all of the conditions discussed here.

Your doctor may have suggested Diflucan for conditions other than those listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are taking Diflucan, speak to your doctor. Do not stop taking Diflucan without consulting your doctor.

Do not give Diflucan to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take Diflucan if their doctor has not prescribed it.



To treat thrush (yeast infection of the mouth and throat), the recommended adult dose is 100 mg taken by mouth once daily for at least 2 weeks.

To treat esophageal candidiasis (yeast infection of the tube leading to the stomach), the recommended adult dose ranges from 100 mg to 200 mg taken daily for at least 3 weeks. Fluconazole must be taken for at least 2 weeks after the symptoms of the infection resolve to prevent the infection from returning.

To treat yeast infection that has spread throughout the body (disseminated yeast infection), the recommended adult dose of fluconazole is 200 mg to 400 mg once daily, for at least 4 weeks. Again, Diflucan must be taken for at least 2 weeks after the symptoms of the infection resolve to prevent the infection from returning.

To treat cryptococcal meningitis, the recommended dose of fluconazole is 200 mg to 400 mg once daily. Fluconazole should be taken for at least 10 weeks when treating this condition. To prevent cryptococcal meningitis, 200 mg taken once daily is recommended.

Children's doses are based on the child's body weight and will be calculated by the prescriber. A child's dose should not exceed 12 mg per kilogram of body weight.

Doses greater than 600 mg daily are not recommended for adults or children.

Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.

It is very important to take Diflucan on a regular schedule as prescribed by the doctor. Continue to take the full course of Diflucan even if you start to feel better. If you miss a dose of Diflucan, take it as soon as you remember it. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.

Store Diflucan at room temperature and keep it out of the reach of children. The reconstituted liquid is stable for two weeks at room temperature.

Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.


Side Effects

Many medications can cause side effects. A side effect is an unwanted response to a medication when it is taken in normal doses. Side effects can be mild or severe, temporary or permanent.

The side effects listed below are not experienced by everyone who takes Diflucan. If you are concerned about side effects, discuss the risks and benefits of Diflucan with your doctor.

The following side effects have been reported by at least 1% of people taking Diflucan. Many of these side effects can be managed, and some may go away on their own over time.

Contact your doctor if you experience these side effects and they are severe or bothersome. Your pharmacist may be able to advise you on managing side effects.

  • Diarrhea
  • headache
  • nausea
  • stomach pain
  • vomiting

Although most of these side effects listed below don't happen very often, they could lead to serious problems if you do not seek medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

  • irregular heartbeat
  • signs of liver problems (e.g., nausea, vomiting, diarrhea, loss of appetite, weight loss, yellowing of the skin or whites of the eyes, dark urine, pale stools)
  • skin rash or itching

Stop taking the medication and seek immediate medical attention if any of the following occur:

  • signs of a Anaphylaxis (severe allergic reaction) (Hives; difficulty breathing; swelling of the face, tongue, or throat)
  • symptoms of a severe skin rash (such as blistering, peeling, a rash covering a large area of the body, a rash that spreads quickly, or a rash combined with Fever or discomfort)

Some people may experience side effects other than those listed. Check with your doctor if you notice any symptom that worries you while you are taking Diflucan.


Available form

Each mL of sterile aqueous solution for direct infusion contains 2 mg of fluconazole and 9 mg of sodium chloride.

Powder for Oral Suspension
On reconstitution with water (24 mL) each mL of the orange-flavoured suspension contains 10 mg of fluconazole (i.e., equivalent to fluconazole 50 mg/5 mL). Nonmedicinal ingredients: citric acid, colloidal silicon dioxide, natural orange flavour, sodium benzoate, sodium citrate, sucrose, titanium dioxide, and xanthan gum.


Diflucan tablets are no longer being manufactured for sale in Canada. For brands that may still be available, search under fluconazole. This article is being kept available for reference purposes only. If you are using Diflucan, speak with your doctor or pharmacist for information about your treatment options.



Do not take Diflucan if you:

  • are allergic to fluconazole or to any of the ingredients of the medication
  • are taking cisapride, terfendine, erythromycin, Pimozide, or quinidine



There may be an interaction between fluconazole and any of the following:

If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:

  • stop taking one of the medications,
  • change one of the medications to another,
  • change how you are taking one or both of the medications, or
  • leave everything as is.

An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.

Medications other than those listed above may interact with Diflucan. Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications that you are taking. Also tell them about any supplements you take. Since caffeine, decongestants, alcohol, the Nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.



Before you begin using a medication, be sure to inform your doctor of any medical conditions or Allergies you may have, any medications you are taking, whether you are pregnant or breast-feeding, and any other significant facts about your health. These factors may affect how you should use Diflucan.

Allergies: Be cautious in taking fluconazole if you are allergic to other "azoles" such as ketoconazole or itraconazole. If you develop symptoms of an allergic reaction, such as skin rash, hives, difficulty breathing, or swelling of the face, tongue, or throat, seek immediate medical attention.

Driving and operating heavy machinery: Fluconazole may occasionally cause dizziness. Do not drive or operate machinery until you know how Diflucan affects you.

Kidney function: Decreased kidney function or Kidney Disease can cause Diflucan to build up in the body, causing side effects. People with kidney disease or reduced kidney function should discuss with their doctor how Diflucan may affect their medical condition, how their medical condition may affect the dosing and effectiveness of Diflucan, and whether any special monitoring is needed.

Liver damage: In rare cases, Diflucan may cause liver damage in people with serious medical conditions. Your doctor may monitor you with regular blood tests to check for side effects while you are taking fluconazole. If you notice signs of liver damage such as abdominal pain, yellowing of the skin or eyes, dark or amber urine, or pale stools, contact your doctor right away.

QT prolongation: In rare cases, Diflucan can affect the electrical activity of the heart and cause a condition known as QT prolongation. Your doctor will monitor your heart rhythm regularly while you are taking Diflucan with a test called an electrocardiogram (ECG). You should not take Diflucan if your ECG already shows that you have QT prolongation or if you are taking a medication that can cause QT prolongation.

Pregnancy: Diflucan should not be used during pregnancy unless the benefits outweigh the risks. If you become pregnant while taking Diflucan, contact your doctor immediately. Women who take fluconazole and who may become pregnant should consider using adequate birth control. Birth control should be continued for at least 1 week after taking the last dose of fluconazole.

Breast-feeding: Diflucan passes into breast milk. If you are a breast-feeding mother and are taking fluconazole, it may affect your baby. Talk to your doctor about whether you should continue breast-feeding.

Children: Diflucan has been shown to be safe and effective for children over 6 months of age. Although the safety and effectiveness of Diflucan have not been determined for newborns less than 6 months of age, a small number of babies have been safely treated with fluconazole.

Diflucan frequently asked questions

How To Buy Diflucan Online?

You can buy Diflucan online at PocketPills if you already have a valid prescription from your doctor. You can get started by uploading your prescription, ordering a refill by transferring any existing medications to our pharmacy or talking to one of our Canadian Doctors to get an online prescription. Get started now!

How To Get a Prescription for Diflucan?

You can consult a Canadian doctor online at pocketpills.com. Our physicians can prescribe medications online during your consultation. Once you receive a prescription, you'll have the option to have it delivered to your door in discreet packaging and at no additional cost!. Click here to get an online prescription today!

Can I Get Same-Day Delivery?

Yes! We do provide same-day delivery in select areas. We do next business day delivery and can also ship overnight as well.

How Much is Shipping Cost for Diflucan in Canada?

Shipping cost for Diflucan to you in Canada is zero. Pocketpills offers FREE shipping anywhere in Canada and low dispensing fees to help you get access to treatment.

How to get Diflucan delivered to my home?

You could get Diflucan delivered at your doorstep from us in Canada if you ordered prescription medications with a valid prescription. If you are not sure if we deliver to your area, contact us.

How to get Diflucan in Canada for free?

You can get Diflucan for free in Canada if your health insurance provider covers it fully. Contact your provider or us to help you find out if you qualify to get Diflucan for free.

Can I consult a doctor online to get Diflucan?

Yes. You can book a consultation online with a Canadian doctor here with us at PocketPills to see if you qualify for a prescription to order Diflucan.

Can I buy Diflucan without a prescription?

You need a valid prescription to buy Diflucan from us. Contact us if you need a prescription. One of our doctors can give you a telephone call at your convenience.


All material © 1996-2021 MediResource Inc. Terms and conditions of use. The contents herein are for informational purposes only. Always seek the advice of your physician or other qualified health providers with any questions you may have regarding a medical condition.

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