The actress took to Twitter to blast her medical professionals for ignoring her complaints.
"For those who are chronically ill and in chronic pain: Have you had the experience of doctors not listening to you?" she wrote.
"If so, how do you not tear their heads off with your bare hands? :)"
"You don't want to meet a pissed off version of me that's also in pain—not a girl to be messed with," a fan responded, to which she wrote back:
"Preachin to the choir sister."
If you or someone you know needs help, you can speak confidentially to a trained counsellor 24 hours a day at headspace.org.au or Kids Helpline: 1800 55 1800.