See the DrugPatentWatch profile for Diclofenac
What are diclofenac sodium tablets used for?
Diclofenac sodium tablets are used to reduce pain and inflammation. They’re commonly prescribed for conditions such as:
- Arthritis, including osteoarthritis and rheumatoid arthritis
- Pain from injuries or strains
- Inflammatory pain in certain musculoskeletal conditions
- Menstrual (period) pain (dysmenorrhea)
Because diclofenac is a nonsteroidal anti-inflammatory drug (NSAID), its main effect is lowering inflammation and helping relieve pain.
How does diclofenac sodium work?
Diclofenac helps treat pain and swelling by reducing the production of inflammatory chemicals called prostaglandins. Lower prostaglandins means less inflammation, less pain, and often reduced stiffness, especially in arthritis.
How long does it take to start working?
Timing depends on the individual and the exact product formulation, but diclofenac tablets typically begin providing pain relief within hours after taking a dose. Effects on inflammation and longer-term symptoms (like arthritis pain and stiffness) build over repeated dosing.
What should people know about safety and side effects?
Diclofenac (like other NSAIDs) can cause side effects and has important safety considerations, including:
- Stomach irritation, heartburn, or stomach ulcers/bleeding risk
- Increased risk of cardiovascular events for some people, especially with higher doses or longer use
- Kidney strain in some patients (particularly those who are dehydrated or have kidney disease)
People are usually advised to use the lowest effective dose for the shortest time that works, and to follow their clinician’s instructions.
Who should avoid diclofenac tablets or ask a clinician first?
Extra caution is often needed for people with:
- History of stomach ulcers or gastrointestinal bleeding
- Significant heart disease or prior stroke
- Kidney disease
- NSAID allergy or asthma triggered by aspirin/NSAIDs
- Use of blood thinners or other medications that raise bleeding risk
If you tell me your age and what condition the tablets were prescribed for, I can help narrow the most likely “uses” your specific prescription is targeting.
What’s the difference between diclofenac sodium tablets and other diclofenac forms?
Diclofenac is also available as topical gels and patches, and as other oral formulations. Tablets generally target whole-body (systemic) pain and inflammation, while topical forms are often used for localized joint or muscle pain and may have less systemic exposure.