I am sorry for her condition. She needs strong medications to relieve pain. Patient is in terminal stage. Ideal place of care is palliative care unit. They have trained doctors and nurses to take care. The pain killers available in palliative care unit is not available in general pharmacy.
Next Steps
Please consult Palliative care and pain specialist especially Anaesthetist trained in this field
Health Tips
Good medications will help the patient a pain free state.