Exodus 9:10

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.

Deuteronomy 28:27

Jehovah will smite thee with the boil of Egypt, and with the emerods, and with the scurvy, and with the itch, whereof thou canst not be healed.

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
Jehovah will smite thee with the boil of Egypt, and with the emerods, and with the scurvy, and with the itch, whereof thou canst not be healed.

American Standard Version Public Domain