What are the differences between diclofenac potassium and diclofenac sodium in terms of their effectiveness and side effects?

Diclofenac potassium and diclofenac sodium are both nonsteroidal anti-inflammatory drugs (NSAIDs) used to treat pain and inflammation. The main difference between them is in their chemical structure, which affects how they are absorbed in the body. Diclofenac potassium is generally faster-acting and may be more effective for some people, while diclofenac sodium is slower-acting but may have a longer-lasting effect. In terms of side effects, both medications can cause similar side effects such as stomach upset, ulcers, and kidney problems. However, diclofenac potassium may be less likely to cause gastrointestinal issues due to its faster absorption. It is important to consult with a healthcare provider to determine which medication is best for your specific needs.