Hey LL, welcome to the forums and thank you for sharing. It's brave to open up like that so well done.
I would definitely recommend going and talking to a doctor about how you're feeling. They can help assess your symptoms and suggest treatment or refer you to mental health services. I'm not sure how it works over in Australia (I'm in New Zealand! Hey neighbour!) but GPs here can prescribe antidepressant medication if they think you would benefit from them. They should ask you a series of questions to assess your mental health.
One thing I can suggest is make sure you are really honest with them. If there is something concerning then tell them. If it's difficult, you could writer everything down on a piece of paper and give it to your doctor to read. That's what I did recently and it proved to be really beneficial for me.

I wish you all the best in recovery, and please keep us updated on how you're going