Tag: Pulmonary absorption

While the small intestine is the primary site for the absorption of most orally administered drugs [1.2.2], the lungs provide an exceptionally rapid route into the bloodstream [1.6.6]. Answering **which organ has the fastest rate of drug absorption** depends heavily on the administration method.

Over 65 inhaled products containing more than 20 active ingredients are marketed for treating respiratory diseases alone. Understanding precisely where are inhaled drugs absorbed is critical, as absorption differs significantly depending on the specific region of the respiratory tract where the medication is deposited.