Interviews can be stressful and it's even harder if you have a mental illness or health issue.
However, this blogger has been kind enough to create a list of 18 tips specific to helping those with mental health and health issues ace their interviews.
For example, tip 4, that you're under no legal obligation to tell your potential employers about your health or mental health conditions (at least in the UK and USA).
https://unwantedlife.me/18-amazing-interview-tips-for-someone-who-has-a-mental-illness