Cartoon of a first aid medic holding a bottle of "medicine" in his left hand while his right hand holds a long stick-like apparatus that is forcing his patient's mouth open. Various bugs swarm the scene, with a bucket of dead bugs on the floor. On the wall is notice saying 'Swabbing while you wait'.

Part of a series of postcards on World War One that were published together, as evidenced by the serrated edges on either side of the postcard.  They could be separated and sent individually.