Which of the following drugs has maximum chances of absorption from gastric mucosa: (A) Diclofenac sodium, (B) Morphine sulfate, (C) Hyoscine hydrobromide, (D) Quinine dihydrochloride
Answer is A. Ref-Katzung 10/e p7,8 Diclofenac is an acidic drug and is non-ionized in the acidic medium of stomach.therefore,it has the maximum chances of absorption from the stomach.other drugs in the options are basic drugs that are ionized at gastric pH