Non-aspirin pain relievers may be best for residents with chronic wounds, according to new study results.

Japanese researchers found high doses of aspirin appear to slow skin regrowth. 

“This study describes a novel mechanism for aspirin’s effect in delaying wound healing and suggests that aspirin should be used with caution in patients with chronic wounds,” said author Takehiko Yokomizo, M.D., Ph.D., of Kyushu University. 

Findings appear in the Journal of Experimental Medicine