I am sorry that you are faced with this difficult situation. It’s unfortunate that your mother and sister aren’t supportive. In this case, I would advocate joining a support group. The local community mental health center might have a support group available to you. The National Alliance on Mental Illness (NAMI) likely also has support groups.
Another idea is to contact the hospital social worker, report your dilemma and ask what resources are available to you. For instance, many communities have mobile treatment teams, staffed by psychiatrists, social workers and nurses, who make daily trips to patients’ homes. They administer medication, assess the patient’s stability and ensure that their needs are being met. Perhaps such a program is available in your community. It would ensure that you receive your medication. It could also provide much-needed mental health and emotional support.
It is important that you do what is necessary to receive the proper treatment to improve your mental health. The fact that you are hearing voices is concerning. Medication could eliminate the voices and help you to feel better.
If your symptoms do not improve or if you feel that you might harm yourself or someone else, go to the emergency room or call 911 immediately. Emergency personnel will keep you safe until your symptoms are under control. Please take care.