יַכְּכָ֨ה יְהוָ֜ה בִּשְׁחִ֤ין מִצְרַ֙יִם֙ ובעפלים [וּבַטְּחֹרִ֔ים] וּבַגָּרָ֖ב וּבֶחָ֑רֶס אֲשֶׁ֥ר לֹא־תוּכַ֖ל לְהֵרָפֵֽא׃
The LORD will smite thee with the boil of Egypt, and with the emerods, and with the scab, and with the itch, whereof thou canst not be healed.
Read kabbalistic (mystical) interpretation of Deuteronomy 28:27: and classical mystical sources.