heal up

heal up
ˌheal ˈup [intransitive] [present tense I/you/we/they heal up he/she/it heals up present participle healing up past tense healed up past participle healed up] phrasal verb
if an injury heals up, the skin or bone grows back together and becomes healthy again

The cut wasn’t healing up the way it should.

Thesaurus: to get better after an illnesssynonym
Main entry: heal

Useful english dictionary. 2012.