Wiktionary
wears off
vb. (en-third-person singular of: wear off)
Usage examples of "wears off".
With some the effect lasts indefinitely, with others it wears off after but a few hundred years, with some the effect does not occur at all, with others, tragically, the effect is not to stabilize the pattern but to hasten its degeneration.
The baby is crowning now, and when the drug wears off in a few hours, the contractions will resume and, God willing, she will deliver normally.