tetter

Mrs. Bains put a hand on the taller boy’s hair and fingered it lightly, absently searching with her nails for tetter spots.

From "Song of Solomon" by Toni Morrison

This has been highly recommended to me, as a remedy for tetter on the hands, but I have never seen it tried.

From Domestic Cookery, Useful Receipts, and Hints to Young Housekeepers by Elizabeth E. (Elizabeth Ellicott) Lea

Dose of infusion as an emetic one to four teaspoonfuls: For ringworm, tetter and warts, it is applied locally, freely.

From Mother's Remedies Over One Thousand Tried and Tested Remedies from Mothers of the United States and Canada by Thomas Jefferson Ritter

Its use undeniably produces scrofula, salt-rheum, tetter, ringworm, humors in the blood, rheumed eyes, enlarged glands, sore eyes, and lastly, cancer.

From Minnesota; Its Character and Climate Likewise Sketches of Other Resorts Favorable to Invalids; Together With Copious Notes on Health; Also Hints to Tourists and Emigrants. by Ledyard Bill

It is crusted and scabbed with yellowish tetter, like sulphur or the rancid fat on meat.

From The Old Front Line by John Masefield