Your child is mentally ill and over 18 she ran away how can you get her back?

1. Contact the authorities. If your child is over 18 and has run away, you can file a missing person report with the police. The police can help you search for your child and may be able to take her into protective custody if she is found.

2. Reach out to mental health professionals. If your child has a mental illness, it's important to seek help from mental health professionals. They can help you understand your child's condition and develop strategies for coping with it. They may also be able to provide you with resources for finding your child if she has run away.

3. Contact your child's school or employer. If your child is a student or has a job, you can contact her school or employer and let them know that she is missing. They may be able to provide you with information about her whereabouts or may be able to help you get in touch with her.

4. Search online. There are a number of online resources that can help you search for your child. You can try searching for her name on social media platforms or using a search engine to find any information about her recent activities.

5. Be patient. It can take time to find a missing child. Be patient and persistent in your efforts to find her. Don't give up hope.