And the Lord plagued Pharaoh and his house We are not told particularly, in what way they were plagued; but, doubtless, there was something in the plagues themselves, or some explication added to them, sufficient to convince Pharaoh and his house that it was for Sarai's sake they were thus plagued.
Related Commentaries of Genesis 12:17
Genesis 12:17
17 And the LORD plagued Pharaoh and his house with great plagues because of Sarai Abram's wife.