Generic
Fluconazole
Pharmacology
Fluconazole is a triazole antifungal agent. It is a potent inhibitor of fungal cytochrome P-450 dependent enzymes. Cytochrome P-450 enzyme system is essential component of fungal cell membrane which is responsible for the synthesis of ergosterol.
Dosage Administration
Adult (oral)- Vaginal candidiasis: 150 mg as a single dose. Oropharyngeal candidiasis: 200 mg on the first day, followed by 100 mg once daily. Clinical evidence of this infection generally resolves within several days, but treatment should be continued for at least 2 weeks to decrease the likelihood of relapse. Esophageal candidiasis: 200 mg on the first day, followed by 100 mg once daily. Doses up to 400 mg/day may be used. Patients should be treated for a minimum of three weeks and for at least two weeks following resolution of symptoms. Systemic candida infections: Optimal therapeutic dosage and duration of therapy have not been established. Sometimes, doses of up to 400 mg daily have been used. Urinary tract infections caused by candida and peritonitis: 50-200 mg daily have been used. Cryptococcal meningitis: 400 mg on the first day, followed by 200 mg once daily. Prophylaxis in patients undergoing bone marrow transplantation: 400 mg once daily. Child (oral): Doses of 3-6 mg/kg daily have been used. Doses up to 12 mg/kg is recommended. Intravenous- Adult: Invasive candidal infections including candidaemia and disseminated candidiasis and cryptococcal infections including meningitis, by IV, 400 mg initially then 200 mg daily, increased if necessary to 400 mg daily, treatment continued according to response (at least 6-8 weeks for cryptococcal meningitis) Child: 6-12 mg/kg daily (every 72 hours in neonate up to 2 weeks old, every 48 hours in neonate 2-4 weeks old); maximum 400 mg daily. Prevention of relapse of cryptococcal meningitis, by IV, 100-200 mg daily.
Contraindications
Concomitant use of cyclosporin or phenytoin with Fluconazole increases the plasma level of cyclosporin or phenytoin. Concomitant use of Fluconazole & warfarin prolongs the prothrombin time. Rifampicin level is decreased when used with Fluconazole.
Side Effects
Fluconazole should not be used in patients with known hypersensitivity to Fluconazole or to related triazole compounds.
Pregnancy And Lactation
Fluconazole is well tolerated. Most common side effects of using Fluconazole includes nausea, vomiting, abdominal pain, diarrhoea, headache and skin rash.
Therapeutic
Fluconazole should be administered with caution to patients having proarrhythmic conditions.
Storage Conditions
Drugs for subcutaneous and mycoses
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