What is Biopharmaceutics?

Biopharmaceutics is the study of the relation of the physical and chemical properties of a drug to its bioavailability, pharmacokinetics, and pharmacodynamic and toxicologic effects.

Chapter 2 built the pill; this chapter follows it into the body. Biopharmaceutics links a drug's physicochemical properties (solubility, particle size, ionization, salt form) to how much reaches the blood and how fast. A drug product is the finished dosage form (tablet, capsule, solution) with its excipients; the drug delivery system also includes the container and the patient.

📖 “Biopharmaceutics is the study of the relation of the physical and chemical properties of a drug to its bioavailability, pharmacokinetics, and pharmacodynamic and toxicologic effects.”