NZ Formulary

Fluconazole (injection)

floo-kon-ah-zole

What does it do?

Fluconazole is used to treat and prevent fungal infections.

Before you start

  • Tell your doctor if you have liver, kidney or heart problems, or have ever had a seizure.
  • Tell your doctor if you are pregnant, planning to become pregnant, or breastfeeding.
  • Your doctor may do a heart test (ECG) before you start and while you are taking fluconazole.

How is it given?

Fluconazole is given as an infusion into a vein.

What if you forget a dose?

The missed dose should be given as soon as possible and treatment should continue as directed. Fluconazole is usually given to you by a health professional. If you miss a dose, contact your health professional as soon as possible.

Can you take other medicines?

Some medicines available without a prescription may react with fluconazole including:

  • sildenafil (e.g. Viagra®) or similar medicines
  • anti-inflammatories, such as diclofenac (e.g. Voltaren®) or ibuprofen (e.g. Nurofen®). These can also be found in some cold and flu medicines (e.g. Nurofen Cold and Flu®).

Tell your pharmacist or doctor about all medicines or treatments that you may be taking, including vitamins, herbal products or recreational drugs.

What side effects might you notice?

Side EffectsRecommended action

Symptoms of allergy including: skin rash, itching, swelling, trouble breathing

Reduced number of blood cells that fight infections or help your blood to clot - symptoms include: fever, chills, sore throat or generally feeling unwell, or easy or unusual bruising or bleeding

Seizures

Symptoms of liver problems including: yellow skin or eyes, itching, dark urine, pale bowel motions, abdominal pain

Fainting

Tell your doctor immediately

Headache

Stomach upset

Tell your doctor if troublesome

If you notice any other effects, discuss them with your doctor or pharmacist.