Cymbalta vs Duloxetine: are they the same?
Cymbalta is a commercial brand whose active ingredient is exactly Duloxetine. 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 — Cymbalta contains Duloxetine as its active ingredient. Talking about "Cymbalta" in clinical terms is the same as talking about Duloxetine at the dose strengths 20mg, 30mg, 60mg. The differences from the authorised generic are brand, manufacturer (Eli Lilly), excipients, tablet appearance and price — not the active molecule itself.
When Cymbalta is used
심발타는 주요우울장애, 범불안장애, 당뇨병성 말초 신경병증성 통증, 섬유근육통, 만성 근골격계 통증에 승인되었습니다. 임상 지침에 따르면 우울증과 통증이 공존할 때 일반적으로 1차 치료제이며, 기분 증상과 무관하게 섬유근육통과 당뇨병성 신경병증의 선호되는 1차 약제 중 하나입니다.
Mechanisms compared
Because they share the same active ingredient, the mechanism is identical: 심발타는 시냅스에서 세로토닌과 노르에피네프린의 재흡수를 모두 억제합니다. 이중 모노아민 작용은 4-6주에 걸쳐 항우울 효과에 기여하고, 척수의 하행 통증 조절 경로를 통해 진통 효과에 기여합니다. 통증 완화는 기분 호전 전에도 1-2주 이내에 나타날 수 있습니다. 도파민 효과는 부프로피온에 비해 약합니다.
Brand or generic — which to choose?
For most patients, authorised generics of Duloxetine are clinically equivalent substitutes for Cymbalta 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 Cymbalta the same as Duloxetine? ▾
Clinically yes — Cymbalta is the brand and Duloxetine is its active ingredient. At equivalent doses (20mg, 30mg, 60mg) they produce the same effect. The difference is brand, manufacturer (Eli Lilly) and price.
Is generic Duloxetine as effective as Cymbalta? ▾
Yes. Authorised generics of Duloxetine must demonstrate bioequivalence to the brand. The active substance is the same; average effect is the same. Price is usually substantially lower.
Why does Cymbalta cost more than generic Duloxetine? ▾
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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