Exodus 9:10

So they took soot from the kiln and stood before Pharaoh. Then Moses threw it into the air,and it became boils producing running sores on people and animals.

Deuteronomy 28:27

"The LORD will afflict you with the boils of Egypt, with tumors, skin disease, and festering rashes, and none of them will be curable.

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 afflict you with the boils of Egypt, with tumors, skin disease, and festering rashes, and none of them will be curable.

International Standard Version Copyright © 1996-2008 by the ISV Foundation.