Exodus 9:10
So they took soot from a furnace and stood before Pharaoh, Moses threw it into the air, and it caused festering boils to break out on both people and animals.
Deuteronomy 28:27
The Lord will afflict you with the boils of Egypt and with tumors, eczema, and scabies, all of which cannot 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.
A boil
Bible References
A boil
Deuteronomy 28:27
The Lord will afflict you with the boils of Egypt and with tumors, eczema, and scabies, all of which cannot be healed.