Voltaren vs Diclofenac: are they the same?
Voltaren is a commercial brand whose active ingredient is exactly Diclofenac. 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 — Voltaren contains Diclofenac as its active ingredient. Talking about "Voltaren" in clinical terms is the same as talking about Diclofenac at the dose strengths 25mg, 50mg, 75mg, 100mg. The differences from the authorised generic are brand, manufacturer (Novartis), excipients, tablet appearance and price — not the active molecule itself.
When Voltaren is used
볼타렌은 성인에서 골관절염, 류마티스 관절염, 강직성 척추염, 급성 근골격계 통증, 수술 후 통증, 원발성 월경곤란증, 급성 편두통 및 요관 산통의 치료에 승인되어 있습니다. 외용 볼타렌은 광선각화증(일부 국가)과 근골격계 통증과 같은 국소성 통증에 승인되어 있습니다. 임상 가이드라인에 따르면 외용 NSAID는 많은 국소 근골격계 통증에 일차 치료제로 권장되며, 특히 고령자에서 그렇습니다.
Mechanisms compared
Because they share the same active ingredient, the mechanism is identical: 디클로페낙은 사이클로옥시제나아제 효소 COX-1과 COX-2를 가역적으로 억제하며, 이부프로펜과 나프록센보다 COX-2에 대해 다소 높은 선택성을 보입니다. 프로스타글란딘 합성을 감소시켜 진통, 항염증, 해열 효과를 나타냅니다. 치료 용량에서의 COX-2 선호는 나프록센과 비교한 심혈관 위험 프로파일을 부분적으로 설명합니다.
Brand or generic — which to choose?
For most patients, authorised generics of Diclofenac are clinically equivalent substitutes for Voltaren 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 Voltaren the same as Diclofenac? ▾
Clinically yes — Voltaren is the brand and Diclofenac is its active ingredient. At equivalent doses (25mg, 50mg, 75mg, 100mg) they produce the same effect. The difference is brand, manufacturer (Novartis) and price.
Is generic Diclofenac as effective as Voltaren? ▾
Yes. Authorised generics of Diclofenac must demonstrate bioequivalence to the brand. The active substance is the same; average effect is the same. Price is usually substantially lower.
Why does Voltaren cost more than generic Diclofenac? ▾
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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