(Im pretty sure this isnt a feature yet, hel this if im wrong)
Healing items should have relevant usage timers. it's unrealistic to be able to instantly use healing salves or to eat 100 yarrow.
For instance, it should take 25-30 seconds to put gauze on your head.
40-60 seconds to use stitch patch
10-20 seconds to apply any salve/mud/oitment