And they — His followers. Gnawed their tongues — Out of furious impatience. Because of their pains and because of their ulcers — Now mentioned together, and in the plural number, to signify that they were greatly heightened and multiplied.
Related Commentaries of Revelation 16:11
Revelation 16:11
11 And blasphemed the God of heaven because of their pains and their sores, and repented not of their deeds.