I have thankfully never needed to treat bedsores personally. My Peace Corps medical guide from back in the day said to fill bedsores with honey, or in the absence of honey with sugar paste.
Weeds are just plants with enough surplus will to live to withstand normal levels of gardening!--Alexandra Petri
the struggle IS the education. Wise old tiny ad:
permaculture thorns, A Book About Trying to Build Permaculture Community - draft eBook