Went with Jehoram to war against Hazael; following the evil example of Jehoshaphat therein, 2Ch 18, though he would not follow him in what was good. But of this and the following verses, see 2 Kings 8:28,29 2 Kings 9:21,27.
Related Commentaries of 2 Chronicles 22:5
2 Chronicles 22:5
5 He walked also after their counsel, and went with Jehoram the son of Ahab king of Israel to war against Hazael king of Syria at Ramothgilead: and the Syrians smote Joram.