Diclofenac is available over-the-counter (OTC) in topical formulations for pain relief. These topical products, such as gels and patches, are designed for localized application to address muscle and joint pain associated with conditions like arthritis, sprains, and strains [1][2].
What Diclofenac Products Are Available Over-the-Counter?
OTC diclofenac is primarily found in topical forms. Common presentations include gels, creams, and patches that are applied directly to the skin over the affected area [1][3]. These are distinct from oral diclofenac, which generally requires a prescription [2].
How Does OTC Diclofenac Work?
Topical diclofenac is a nonsteroidal anti-inflammatory drug (NSAID). It works by inhibiting the production of prostaglandins, which are chemicals in the body that cause inflammation, pain, and fever [1][4]. When applied to the skin, diclofenac penetrates to reach the underlying tissues, providing localized pain relief and reducing inflammation with potentially fewer systemic side effects compared to oral NSAIDs [1][5].
What Conditions Can OTC Diclofenac Treat?
OTC topical diclofenac is indicated for the relief of minor aches and pains associated with arthritis, sprains, strains, bruises, and other muscle or joint injuries. It is typically recommended for pain in the hands, wrists, elbows, feet, ankles, and knees [1][3].
Are There Any Risks or Side Effects with OTC Diclofenac?
While topical diclofenac generally has a lower risk of systemic side effects than oral NSAIDs, some localized reactions can occur. These may include skin irritation, redness, itching, or a rash at the application site [1][5]. Individuals with known sensitivities to NSAIDs or those with certain medical conditions, such as kidney disease or a history of stomach ulcers, should consult a healthcare professional before using any diclofenac product, even if available OTC [1][6].
Where Can I Buy OTC Diclofenac?
Over-the-counter diclofenac products are available at most pharmacies, drug stores, and online retailers [1][3].
What is the Difference Between Topical and Oral Diclofenac?
The primary difference lies in their administration and absorption. Topical diclofenac is applied to the skin, leading to localized drug concentrations in the underlying tissues and reduced systemic absorption. Oral diclofenac is taken by mouth and absorbed into the bloodstream, distributing throughout the body, which can lead to a higher risk of systemic side effects such as gastrointestinal issues [1][5].
When Does Diclofenac Go Generic?
Diclofenac has been available in generic forms for many years, both by prescription and in OTC topical formulations. Many diclofenac products, including popular brands, have passed their patent exclusivity periods [7].
Sources:
[1] https://www.drugpatentwatch.com
[2] https://www.drugs.com/diclofenac.html
[3] https://www.goodrx.com/diclofenac
[4] https://www.webmd.com/drugs/2/204790/diclofenac-topical-cream-ointment-patch/details
[5] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4904719/
[6] https://www.mayoclinic.org/drugs-supplements/diclofenac-topical-application-route/proper-use/drg-20065034
[7] https://www.drugpatentwatch.com/blog/diclofenac-patent-expiry