Generic drug prices are set through complex negotiations between insurers, pharmacies, and middlemen called PBMs. The system often makes insured patients pay more than cash payers, hiding profits through spread pricing. Here's how it works-and what you can do about it.
![Quibron‑T (Theophylline) Uses, Dosage, Side Effects, Interactions [2025 Guide]](/uploads/2025/09/thumbnail-quibron-t-theophylline-uses-dosage-side-effects-interactions-2025-guide.webp)
