She certainly could be depressed, but there could be various other reasons for this. You will not be able to help her if she does not want to be helped, though.
If you can convince her to see a doctor, and perhaps you can voice your concerns to the doctor before she sees him, that would be a good first step. He would then be able to start things going in the right direction.
The information provided does not constitute a diagnosis of your condition. You should consult a medical practitioner or other appropriate health care professional for a physical exmanication, diagnosis and formal
advice. Health24 and the expert accept no responsibility or liability for any damage or person harm you may suffer resulting from making use of this content.