"Go back and tell Hezekiah, the leader of my people, `This is what the LORD, the God of your father David, says: I have heard your prayer and seen your tears; I will heal you. On the third day from now you will go up to the temple of the LORD. I will add fifteen years to your life.

Why did God heal King Hezekiah?

Hezekiah reminded God of his obedience then wept bitterly. So, God healed him, adding 15 years to his life. Later the Assyrians returned, mocking God and threatening Jerusalem again. Hezekiah went to the temple to pray for deliverance.

What happened to Hezekiah after he was healed?

Hezekiah was reassured that his own lifetime would see peace and security. According to Isaiah, Hezekiah lived another 15 years after praying to God. His son and successor, Manasseh, was born during this time: he was 12 years of age when he succeeded Hezekiah.