And Asa in the thirty and ninth year of his reign was diseased in his feet, until his disease was exceeding great: yet in his disease he sought not to the LORD, but to the physicians. Diseased in his feet - He had a strong and long fit of the gout; this is most likely.
He sought not to the Lord - "He did not seek discipline from the face of the Lord, but from the physicians." - Targum.
Are we not taught by this to make prayer and supplication to the Lord in our afflictions, with the expectation that he will heal us when he finds us duly humbled, i.e., when the end is answered for which he sends the affliction?