Dermatology Questions? Ask an Online Dermatologist.
This is Dr David
you should see a doctor about these scabs and see if you need a skin biopsy or wound culture of these areas.
for some patients, they can get MRSA skin infections which can keep the area from healing.
if you lay on your back or bottom a lot, you can also develop pressure sores on your bottom which don't heal.
diabetes can make it slower for you to heal from pressure wounds.
have you shown these scabbed areas to a doctor?