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Fluconazole is used to treat genital thrush in women and men. It is an antifungal medication, and works by killing the fungus causing the thrush and controlling the bacteria present within the vagina or penis.

What is Fluconazole?

Fluconazole is an antifungal treatment. It is used to treat genital thrush in men and women. Thrush is a yeast infection. It is not sexually transmitted, but can sometimes develop after you have had sex. It can cause irritation, swelling, discharge and discomfort. Fluconazole can help ease these symptoms.

Fluconazole can be bought over the counter without a prescription. Alternatively, we can supply it to you at Instant eCare. Contact us to find out more.

For more information, consult the patient information leaflet.

How it works

Genital thrush infections are most commonly caused by a type of yeast called Candida. Candida is a yeast-like fungus that lives in moist, warm places, such as the bowel, mouth, the foreskin of the penis and the vagina.

Candida is usually harmless, but if there is an overgrowth of Candida, it can cause genital thrush. Thrush can be more likely to occur if you are taking antibiotics or if you have poorly managed diabetes.

Fluconazole usually starts to work within one day, but it can take up to three days for your symptoms to improve. It may take up to seven days for your symptoms to fully disappear.

Before you take it

Do not take Fluconazole if you are allergic to the active ingredient, fluconazole, or any of the other ingredients within this medication. A full list of ingredients are listed within the patient information leaflet. Speak with your doctor, who will be able to suggest an alternative medication more suitable for you.

If you think you are pregnant or if you are breastfeeding, you should consult a doctor or pharmacist before taking Fluconazole. Do not take Fluconazole if you know you are pregnant without first consulting your doctor. If you are breastfeeding, you may continue to breastfeed after taking a single dose of Fluconazole 150mg, but if you are taking repeated doses of Fluconazole, you should not breastfeed and should consult your doctor for advice.

Fluconazole capsules contain lactose. If you have been told that you are intolerant to some sugars, you should not take Fluconazole.

If your immune system is weak and not working properly, you may be given Fluconazole as prophylaxis (preventative) in order to stop you from getting an infection caused by Candida. You may also be prescribed Fluconazole to stop cryptococcal meningitis from coming back. We only prescribe Fluconazole to treat genital thrush.

You should consult your doctor or pharmacist before taking Fluconazole if you are suffering from liver or kidney problems, if you are suffering from heart problems, if you develop signs of adrenal insufficiency, or if you have abnormal levels of potassium, calcium or magnesium in your blood.

You should not take Fluconazole if you are taking any of the following medications:

  • Quinidine, for treating heart arrhythmia
  • Pimozide for treating schizophrenia
  • Erythromycin, an antibiotic
  • Terfenadine or astemizole or any other type of antihistamine
  • Cisapride, used for an upset stomach
  • Anticoagulants such as warfarin
  • Rifampicin or rifabutin
  • Any statins used to control cholesterol levels
  • Any medication for diabetes, such as chlorpropamide or glipizide
  • Diuretics such as hydrochlorothiazide
  • Prednisolone or other steroids

This is not an exhaustive list of warnings or interactions. For a complete list, you should consult the patient information leaflet.

Dosage Instructions

Always take Fluconazole exactly as your doctor or pharmacist has told you. Never exceed the stated dose. If you are in any way unsure of how to take Fluconazole, you should speak to your doctor or pharmacist for clarification.

To treat genital thrush, Fluconazole is usually prescribed as a single 150mg dose. If you are elderly or have kidney problems, you may be required to take a reduced dose. Your doctor will inform you if this is the case.

Swallow the capsule whole, with a glass of water. Do not suck, crush or chew it.

You may take Fluconazole with or without food.

Store Fluconazole in a cool, dry place, free from heat and moisture. Keep it out of the reach of children and pets.

Common Side Effects of Fluconazole

Fluconazole, like other medications, may cause side effects. These are usually mild to moderate in nature, but if they persist or concern you, you should go to your doctor. Side effects may include:

  • Headache
  • Increases in blood tests of liver function
  • Rash
  • Stomach discomfort
  • Vomiting or feeling sick

Fluconazole may cause more serious side effects. These are rare, but if you experience them you should go to your doctor. Side effects can include:

  • Inability to sleep
  • Drowsiness
  • Fitting
  • Dizziness, spinning sensation, change in taste
  • Dry mouth
  • Difficult digestion, constipation or wind
  • Liver damage and yellowing of the skin (jaundice)

Fluconazole may also cause a serious allergic reaction. This is extremely rare, but if you experience this, you should seek medical advice immediately. An allergic reaction is an emergency. Symptoms can include:

  • Hives or nettle rash
  • Tightness in the chest or throat
  • Difficulty breathing or speaking
  • Skin rash - peeling, redness, blistering

This is not an exhaustive list of side effects. For a complete list, consult the patient information leaflet.

Frequently Asked Questions (FAQs)

Is Fluconazole suitable for children?

Fluconazole may be suitable for children in some situations at your doctor’s discretion, but usually not to treat genital thrush. We do not prescribe any medication to anyone under the age of 18.

I’m pregnant. Can I take Fluconazole?

If you are pregnant, or think you may be pregnant, you should not take Fluconazole and should consult your doctor for advice.

What happens if I miss a dose?

For genital thrush, Fluconazole is usually taken as a single dose, so you should not be on a dosing schedule.

What happens if I take too much?

If you believe you have taken more Fluconazole than you should, you should seek medical advice immediately. Symptoms of an overdose can include hallucination and paranoia.

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