Howbeit — Here is no contradiction: for the first words contain an answer to Benhadad's question, shall I recover? To which the answer is, thou mayest, notwithstanding thy disease, which is not mortal. The latter words contain the prophet's addition to that answer, which is, that he should die, not by the power of his disease, but by some other cause.
Related Commentaries of 2 Kings 8:10
2 Kings 8:10
10 And Elisha said unto him, Go, say unto him, Thou mayest certainly recover: howbeit the LORD hath shewed me that he shall surely die.