Disclosed is an oral pharmaceutical composition containing a phenylpropionic acid-type analgesic anti-inflammatory agent, in which the activity of the analgesic agent is reduced. Also disclosed is an oral pharmaceutical composition containing a phenylpropionic acid-type analgesic anti-inflammatory agent, wherein the phenylpropionic acid-type analgesic anti-inflammatory agent can exhibit its efficacy for a prolonged period. Specifically disclosed is an oral pharmaceutical composition comprising (a) a phenylpropionic acid-type analgesic anti-inflammatory agent, (b) tranexamic acid, and (c) a dried aluminum hydroxide gel.