Lyrica (pregabalin) is a medication used to treat various conditions, including nerve pain, epilepsy, and anxiety disorder. It is available in both brand and generic versions. The generic version of Lyrica is pregabalin, which has the same active ingredient as the brand-name drug.

According to Drug Patent Watch [1], the patent for Lyrica expired in 2018, which means that other pharmaceutical companies can now produce generic versions of the drug. The FDA has approved several generic versions of pregabalin, which are now available in the market.

Drugs.com [2] states that generic pregabalin is as effective as the brand-name drug in treating nerve pain, seizures, and anxiety disorder. The generic version is also expected to have the same side effects as the brand-name drug. However, the inactive ingredients in generic pregabalin may be different from those in the brand-name drug, which may cause some people to experience different side effects or have an allergic reaction.

Healthline [3] reports that the cost of generic pregabalin is generally lower than the brand-name drug. The cost difference can vary depending on the pharmacy and insurance coverage. However, some people may prefer to use the brand-name drug if they have been taking it for a long time and are concerned about switching to a different medication.

In conclusion, generic pregabalin is as effective as the brand-name drug Lyrica in treating nerve pain, seizures, and anxiety disorder. However, the inactive ingredients in generic pregabalin may be different from those in the brand-name drug, which may cause some people to experience different side effects or have an allergic reaction. The cost of generic pregabalin is generally lower than the brand-name drug.

Sources:
[1] https://www.drugpatentwatch.com/p/tradename/LYRICA
[2] https://www.drugs.com/medical-answers/generic-lyrica-3553949/
[3] https://www.healthline.com/health/drugs/pregabalin-cost