Tag: generic drug equivalency

Therapeutic Equivalence Codes: How the FDA Determines If Generic Drugs Can Be Substituted

Therapeutic Equivalence Codes: How the FDA Determines If Generic Drugs Can Be Substituted

The FDA uses therapeutic equivalence codes to determine which generic drugs can safely replace brand-name medications. Learn how A and B codes work, why some generics aren't interchangeable, and how pharmacists use the Orange Book to ensure safe substitutions.

RECENT POSTS

October 12, 2025
Benicar (Olmesartan) vs Alternatives: A Detailed Comparison

A side‑by‑side look at Benicar (Olmesartan) versus other ARBs, covering efficacy, dosing, side effects, cost, and patient‑focused tips.

December 20, 2025
Why Some Brand-Name Drugs Have No Generic Alternatives

Not all brand-name drugs have generic versions-even after patents expire. Complex formulations, patent thickets, pay-for-delay deals, and FDA hurdles keep prices high. Here’s why some drugs stay expensive forever.

December 2, 2025
Mandatory vs Permissive Substitution: How State Laws Control Generic Drug Switching

State laws determine whether pharmacists must or can switch your brand-name prescription to a cheaper generic. These rules affect your costs, safety, and access-and vary widely across the U.S.

July 31, 2024
Zithromax (Z-Pak) Side Effects: Legal Battles Over Antibiotic Risks

An in-depth look into the severe side effects of the antibiotic Zithromax (Z-Pak) and the legal actions against Pfizer Inc. Over-prescription risks, patient reports of severe health issues, and legal options for affected individuals are discussed.

October 6, 2025
Fibromyalgia and Autoimmune Disorders: How They're Connected

Explore how fibromyalgia and autoimmune disorders intersect, covering shared symptoms, immune mechanisms, diagnosis tips, treatment overlap, and the latest research findings.