Apparently yielding to the antidote for a time, the insidious venom, after a shorter or longer interval, during which it appears to have been conquered, all at once re-asserts its presence, and has to be met by such fresh injections, regardless of the quantity of strychnine previously administered, but the amount required in most Relapses is not a large one.
"On Snake-Poison: its Action and its Antidote"
A. Mueller
Sansuta had now seldom any Relapses of her fits of violent madness.
"The White Squaw"
Mayne Reid
"It's true I've had Relapses," she said.
"The Pastor's Wife"
Elizabeth von Arnim