 [ Symptoms ] what can people with bipolar disorder expect from treatment [ Disease ] this sounds like the description of a pressure ulcer to me and it definitely deserves to be examined by a medical professional pressure ulcers decubitus ulcers or bed sores in the elderly are not uncommon left untreated they can become infected and cause serious illness a pressure ulcer generally is not cause to run to the emergency room but i would certainly suggest you make an appointment with this lady is primary care provider to take a look at this meanwhile it might help to get your loved one a sheepskin or some layers of foam alternative to sit on this may help relieve the pressure that is causing this developing ulcer assuming that is what it is please do not put any type of adhesive bandage on this or apply anything using adhesive tape this can cause tearing of the skin in elderly people i hope you get this checked out soon and i wish you and your loved one all the best