Learn how generic vs brand medications are regulated in the United States under FDA guidelines. This informational content explains bioequivalence, manufacturing standards, and doctor authorization for medications including Gabapentin, Baclofen, Trazodone, Butalbital, and Zanaflex. At gabapentinshop, prescriptions are issued only after proper medical evaluation. https://gabapentinshop.blogspot.com/2026/01/generic-vs-brand-medications-in-usa.html