Exodus 9:10

So they took soot from the kiln, and stood before Pharaoh; and Moses threw it toward the sky, and it became boils erupting in sores on man and animal.

Deuteronomy 28:27

“The Lord will strike you with the boils of Egypt and with tumors and with the scab and the itch that you cannot heal.

Treasury of Scripture Knowledge

Summary

And they took ashes of the furnace, and stood before Pharaoh; and Moses sprinkled it up toward heaven; and it became a boil breaking forth with blains upon man, and upon beast.

Bible References

A boil

Deuteronomy 28:27
“The Lord will strike you with the boils of Egypt and with tumors and with the scab and the itch that you cannot heal.