Key takeaways
Lidoderm (lidocaine) and Voltaren gel (diclofenac) are both used to relieve pain, but they work in different ways and are used for different types of pain. Lidoderm is a local anesthetic patch that numbs the nerves to reduce pain, and it is available in both prescription and over-the-counter forms. It is mainly used for nerve pain, such as pain from shingles. On the other hand, Voltaren gel is a non-steroidal anti-inflammatory drug (NSAID) that reduces pain and swelling by blocking certain chemicals in the body. It is used to treat pain from osteoarthritis in joints like the knees, hands, and wrists. While Lidoderm can be used for temporary relief of minor pain, Voltaren gel is specifically for arthritis pain and is not recommended for use on the back or hips. Both medications have generic forms. Voltaren gel is available over-the-counter, whereas certain strengths of Lidoderm require a prescription. Both medications can cause skin irritation, but Voltaren gel also carries risks of serious side effects like heart attack and stroke due to its NSAID properties.
