Diflucan vs Fluconazole: are they the same?
Diflucan is a commercial brand whose active ingredient is exactly Fluconazole. This page explains what that means in practice: where they differ (brand, manufacturer, price, available strengths), why they are clinically equivalent, and when the brand or an authorised generic is the better choice.
Are they the same?
Yes — Diflucan contains Fluconazole as its active ingredient. Talking about "Diflucan" in clinical terms is the same as talking about Fluconazole at the dose strengths 50mg, 100mg, 150mg, 200mg. The differences from the authorised generic are brand, manufacturer (Pfizer), excipients, tablet appearance and price — not the active molecule itself.
When Diflucan is used
디플루칸은 성인과 소아에서 외음질, 구인두 및 식도 칸디다증, 요로 칸디다증, 복막염 및 감수성 균주에 의한 기타 침습성 칸디다증(칸디다혈증 포함)과 크립토코쿠스 수막염(암포테리신 B 및 플루시토신으로 유도, 이후 플루코나졸로 강화 및 유지)의 치료에 승인되어 있습니다. 또한 항암화학요법 또는 이식을 받는 면역저하 환자의 예방에도 사용됩니다.
Mechanisms compared
Because they share the same active ingredient, the mechanism is identical: 플루코나졸은 시토크롬 P450 의존성 효소인 라노스테롤 14알파-탈메틸화효소를 억제하여 라노스테롤로부터 에르고스테롤 합성을 차단하는 트리아졸계 항진균제입니다. 에르고스테롤은 진균 세포막의 필수 구성 성분이므로 그 고갈은 세포막 기능 장애와 성장 억제를 일으킵니다. 대부분의 칸디다 종(C. glabrata와 C. krusei에서 감수성 감소)과 크립토코쿠스 네오포만스에 활성을 보입니다.
Brand or generic — which to choose?
For most patients, authorised generics of Fluconazole are clinically equivalent substitutes for Diflucan and typically cost substantially less. The practical differences are manufacturer, excipients (rarely matters except in specific sensitivities), tablet appearance and price. The brand is preferred by some patients for personal reasons or insurance coverage; the generic is the default when cost matters.
자주 묻는 질문
Is Diflucan the same as Fluconazole? ▾
Clinically yes — Diflucan is the brand and Fluconazole is its active ingredient. At equivalent doses (50mg, 100mg, 150mg, 200mg) they produce the same effect. The difference is brand, manufacturer (Pfizer) and price.
Is generic Fluconazole as effective as Diflucan? ▾
Yes. Authorised generics of Fluconazole must demonstrate bioequivalence to the brand. The active substance is the same; average effect is the same. Price is usually substantially lower.
Why does Diflucan cost more than generic Fluconazole? ▾
The price difference reflects originator development costs, brand recognition and competition among generic manufacturers. The molecule is identical; the cost is not.
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