Stings from Nettles, an Inexpensive Remedy for

"Rub the affected parts, if of nettles, with berry juice and let dry. This is what I always do during the berry season." Berry juice is quieting and soothing; it contains tannin. It would be handy to use and is recommended.

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter