Do not place the spit too near the fire, lest the skin should burn and blister.
A blister should be employed as soon as possible, and mild emollient injections of gruel or barley water, till stools be obtained.
For the pain in the head, a blister to the nape of the neck.
If I have a sore throat, it would be useless to blister you for it: that is his idea.
His face was yellowing ...