A filter-and-medication type shower arm includes a filter portion and a medication portion. The filter portion includes: a shower arm water input port, disposed at end of the filter portion； and a filter core, disposed in the filter portion, with its one end connected to the shower arm water input port. The medication portion is connected to the filter portion, so that they are in communication with each other, including: a shower arm water output port, disposed at end of the medication portion, and is provided with a shower head connector； a chamber, connected to other end of the filter core； and a medicine storage box, disposed slidably in the chamber of the medication portion, and containing a medicine bag inside, and it includes: a plurality of micro through holes, and a water outlet port.
