Not to be worrying you more, but have you ever been tested for high blood sugar? If it's not an MSRA, that can be a cause of slow healing wounds (especially of the feet) and cause other physical symptoms like fatigue too.
more symptoms of high blood sugar
I have indeed been checked for sugar levels. Everybody's always suprised when they're normal, since I have PCOS which frequently goes hand in hand with insulin resistance.
Aperte mala cm est mulier, tum demum est bona. -- Syrus, Maxims
(When a woman is openly bad, she is at last good.)
Edepol nunc nos tempus est malas peioris fieri. -- Plautus, Miles Gloriosus
(Now is the time for bad girls to become worse still.)