So King Joram returned to Jezreel to recover from the wounds that the Arameans had inflicted on him at Ramah when he fought against Hazael king of Aram. Then Ahaziah son of Jehoram king of Judah went down to Jezreel to visit Joram son of Ahab, because Joram had been wounded.
As among common persons there are some that we call little men, who make no figure, are little regarded, as less valued, so among kings there are some whom, in comparison with others, we may call little kings. This Ahaziah was one of these; he looks mean in the history, and in God's account vile, because wicked.
Commenting on 2 Kings 8:25-29
And king Joram went back to be healed in Jezreel of the wounds which the Syrians had given him at Ramah, when he fought against Hazael king of Syria. And Ahaziah the son of Jehoram king of Judah went down to see Joram the son of Ahab in Jezreel, because he was sick. (q) This is a city belonging to the tribe of Issachar.
Went back to be healed in Jezreel - And there he continued till Jehu conspired against and slew him there. And thus the blood of the innocents, which had been shed by Ahab and his wife Jezebel, was visited on them in the total extinction of their family. See the following chapters, where the bloody tale of Jehu's conspiracy is told at large.