Isaiah 38:21

For Isaiah had said, Let them take a lump of figs, and lay it for a plaister upon the boil, and he shall recover.

Cross References

2 Kings 20:7-8 And Isaiah said, Take a lump of figs. And they took and laid it on the boil, and he recovered. And Hezekiah said unto Isaiah, What shall be the sign that the LORD will heal me, and that I shall go up into the house of the LORD the third day?
Mark 7:33 And he took him aside from the multitude, and put his fingers into his ears, and he spit, and touched his tongue;
John 9:6 When he had thus spoken, he spat on the ground, and made clay of the spittle, and he anointed the eyes of the blind man with the clay,