Diclofenac (Fenac EC)
What to know about Diclofenac — also sold as Fenac EC, DICLOFENAC-WGR, Diclofenac Sandoz, Voltaren 25, Clonac 25 and 4 more: uses, side effects, interactions, and safety considerations for people taking it or caring for someone who is.
Diclofenac (brand names: Fenac EC, DICLOFENAC-WGR, Diclofenac Sandoz, Voltaren 25, Clonac 25 and 4 more) is classified as Low risk (2 risk points) by AllMeds. It is a S4 medication under the TGA in Australia. NSAID with cardiovascular and GI risks, moderate anti-inflammatory potency.
Key Takeaways
- TGA Schedule: S4 in Australia
- Risk level: Low (2 points)
- Recommended maximum duration: 90 days
- PBS listed: Subsidised under the Australian Pharmaceutical Benefits Scheme
Scheduling and Classification
| Jurisdiction | Classification | Status |
|---|---|---|
| Australia (TGA) | S4 | PBS listed |
Risk Profile
NSAID with cardiovascular and GI risks, moderate anti-inflammatory potency.
How Diclofenac is regulated
Diclofenac is overseen by medicines regulators in each country. The rules below explain how it's scheduled, what oversight applies, and what to discuss with your doctor or pharmacist before starting, changing, or stopping this medication.
Australia TGA / PBS / State Schemes
Classified as S4 under the Therapeutic Goods Administration (TGA).
Listed on the Pharmaceutical Benefits Scheme (PBS) for subsidised prescribing.
United Kingdom NICE / MHRA / FPM
NICE NG59 (Low Back Pain and Sciatica) recommends considering oral NSAIDs for short-term pain management, taking into account risk factors including GI, cardiovascular, and renal risks.
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Important: This page is general health information, not personal medical advice. If you have questions about your medication — including starting it, stopping it, changing the dose, or combining it with something else — speak with your doctor or pharmacist. For an emergency or suspected overdose, call your local emergency number or poison information service immediately. Information is drawn from regulator and clinical guideline sources (TGA, FDA, MHRA, NICE, PBS, CDC); see our methodology for details.