What is Fluconazole: Uses, Warnings & Interactions

Updated Jan. 12, 2021  •  Published Dec. 30, 2020

Fluconazole overview

BRAND NAMES:

  • Diflucan

Generic Names:

  • Fluconazole

Uses:

  • Prevents and treats fungal infections.

Therapeutic Classes:

  • Antifungal

Forms:

  • Liquid, Tablet

How it’s taken:

  • By mouth

What form(s) does Fluconazole come in

  • Liquid

  • Tablet

What are common Fluconazole doses?

  • Tablet 50MG

  • Tablet 100MG

  • Tablet 150MG

  • Tablet 200MG

  • Bottle 30 Tablets

  • Bottle 1 Tablets

  • Bottle 1GM of

  • Bottle 5GM of

  • Bottle 25GM of

  • Bottle 100GM of

  • Bottle 35ML of 10MG/ML

  • Bottle 35ML of 40MG/ML

  • Box 12 Tablets

  • Jar 1GM of

  • Jar 25GM of

Common Fluconazole prescriptions

  • Fluconazole
    1 tablets bottle

  • Fluconazole
    30 tablets bottle

  • Fluconazole
    35ml of 10mg/ml bottle

  • Fluconazole
    35ml of 40mg/ml bottle

  • Fluconazole
    12 tablets box

  • Fluconazole
    100mg tablet

  • Fluconazole
    150mg tablet

  • Fluconazole
    200mg tablet

  • Fluconazole
    50mg tablet

How to take Fluconazole

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Oral liquid: Shake well just before each use. Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

  • Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. You may store the oral liquid in the refrigerator or at room temperature for up to 14 days. Do not freeze.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. You may store the oral liquid in the refrigerator or at room temperature for up to 14 days. Do not freeze.

  • Take all of the medicine in your prescription to clear up your infection, even if you feel better after the first few doses.

  • Oral liquid: Shake well just before each use. Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

  • Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • Read and follow the patient instructions that come with this medicine. Talk to your doctor or pharmacist if you have any questions.

Fluconazole contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to fluconazole, or if you are pregnant.

Fluconazole warnings

  • Tell your doctor if you are breastfeeding, or if you have kidney disease, liver disease, heart disease, heart failure, heart rhythm problems, cancer, HIV/AIDS, or hereditary problems.

  • This medicine may cause the following problems: Liver problemsSerious skin reactionsChanges in heart rhythm, including QT prolongationAdrenal gland problems

  • This medicine may make you dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

  • Call your doctor if your symptoms do not improve or if they get worse.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • It is not safe to take this medicine during pregnancy. It could harm an unborn baby. Tell your doctor right away if you become pregnant. Use an effective form of birth control during treatment with this medicine and for at least 1 week after the last dose.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Fluconazole interactions

  • Do not use this medicine together with astemizole, cisapride, erythromycin, pimozide, quinidine, or terfenadine.

  • Some medicines can affect how fluconazole works. Tell your doctor of all medicines you are taking, including any of the following: Amiodarone, amphotericin B, astemizole, cimetidine, cyclosporine, halofantrine, midazolam, prednisone, rifabutin, rifampin, sirolimus, tacrolimus, theophylline, tofacitinib, tolvaptan, triazolam, vitamin A supplements, voriconazoleBirth control pillsBlood pressure medicine (including amlodipine, felodipine, isradipine, losartan, nifedipine, verapamil)Blood thinner (including warfarin)Cancer medicine (including cyclophosphamide, ibrutinib, olaparib, vinblastine, vincristine)Diuretic (water pill, including hydrochlorothiazide)Medicine to lower cholesterol (including atorvastatin, fluvastatin, simvastatin)Medicine to treat depression (including amitriptyline, nortriptyline)Medicine to treat HIV/AIDS (including saquinavir, zidovudine)Medicine to treat seizures (including carbamazepine, phenytoin)Narcotic pain medicine (including alfentanil, fentanyl, methadone)NSAID pain or arthritis medicine (including aspirin, celecoxib, diclofenac, flurbiprofen, ibuprofen, naproxen)Oral diabetes medicine (including glipizide, glyburide, tolbutamide)

  • Check with your doctor before starting any new medicines within 7 days of using this medicine.

  • This medicine may make you dizzy or drowsy. Do not drive or do anything that could be dangerous until you know how this medicine affects you.

  • Call your doctor if your symptoms do not improve or if they get worse.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Fluconazole side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Blistering, peeling, or red skin rash

  • Fainting, dizziness, lightheadedness

  • Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes

  • Fast, pounding, or uneven heartbeat

  • Unusual bleeding, bruising, or weakness

  • Changes in skin color, dark freckles, cold feeling, weight loss

Less Serious Side Effects

  • Mild nausea, vomiting, diarrhea

  • Headache