Generic name: Fluconazole.

Diflucan is an antifungal agent. It destroys and prevents the growth of fungi.

Quick Facts About Diflucan


Used to treat fungal infections known as candidiasis (thrush or yeast infections). Also used to treat throat infections and fungal infections throughout the body including urinary tract, abdomen, kidney, liver, spinal cord or brain (meningitis), and in patients with AIDS.

Diflucan Dosage

Tift Take exactly as prescribed. May take with or without food. Even if you feel better, continue taking medication for the amount of time your doctor has prescribed.

  • Usual adult dose: for throat infections — 200 milligrams on the first day, then 100 milligrams once a day, for 2 to 3 weeks. For esophagus infection, treatment should continue for at least 2 weeks after symptoms have stopped. For bodywide infections — 400 milligrams on the first day, followed by 200 milligrams once a day, for a minimum of 4 weeks. For cryptococcal meningitis — 400 milligrams on the first day, then 200 milligrams once a day for 10 to 12 weeks. For AIDS patients — 200 milligrams once a day. Dosages may be reduced if you have kidney disease.
  • Usual child dose: not generally prescribed for children, although a small number have been treated safely with Diflucan. Dosage is prescribed according the child’s specific needs.
  • Missed dose:  take as soon as possible, unless almost time for next dose. In that case, do not take missed dose; go back to regular schedule. Do not double doses.

Diflucan Side Effects

Overdose symptoms:

hallucinations, paranoia. If you suspect an overdose, immediately seek medical attention.

More common side effects: nausea.

Less common Diflucan side effects: abdominal pain, diarrhea, headache, skin rash, vomiting.


Inform your doctor before combining Diflucan with:

antidiabetic drugs (Orinase, DiaBeta, or Glucotrol); antihistamines such as Hismanal; blood thinners (Coumadin); cyclosporine (Sandimmune); hydrochlorothiazide (HydroDIURIL); phenytoin (Dilantin); rifampin (Rifadin); ulcer medications such as Tagamet.

No known food/other substance interactions.

Special Cautions

If pregnant or planning to become pregnant, inform ? your doctor immediately. Appears in breast milk; could affect a nursing infant

No special precautions apply to seniors.

Follow doctor’s instructions carefully for children.

  • Do not take if sensitive to any ingredients in Diflucan, or similar medications such as Nizoral.
  • Although rare, strong allergic reactions have been reported. Symptoms — hives, itching, swelling, sudden drop in blood pressure, difficulty breathing or swallowing, diarrhea, abdominal pain.
  • Doctor should monitor your kidney function while taking Diflucan.
  • If you have low immunity and develop a rash, inform your doctor; this condition should be monitored.


HealthSurvey.org provides accurate and independent information prescription pills, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. If you have questions about  dosage, or Diflucan side effects, please contact your healthcare provider.