My mother's terminal care

My mom has been struggling with repetitive pituitary adenomas, cancer, and lupus for the last decade and unfortunately we've reached the point where not much can be done to improve her condition. My family has been trying our best to take care of her but it has gotten to the point where she can't use the restroom or even walk by herself. We don't have the ability to provide her with the around the clock care that she needs and with medical bills we don't have enough, finacially, to afford a caretaker. We desperately need someone to help take care of her, for her sake as well as our own. She frequently wakes up screaming from pain in the middle of the night and as terrible as we feel we just can't handle this alone anymore. The least expensive end of life care typically costs around $16,000 a month and we are trying to save for as much care as possible. We genuinely hate to ask for help but we don't know what to do anymore and if anyone could help we would be incredibely grateful.