Our Symptom checker provides clinical advice on what to do next based on your symptoms.
We all feel down sometimes, but if feelings of sadness or worry last more than 2 weeks, it may be a sign of depression or other mental condition.
Grief and loss
It’s the natural emotional response to losing someone who was close to you, but grief can also follow serious illness, divorce or other loss.
Seasonal affective disorder (SAD)
Seasonal affective disorder (SAD) is a type of depression that only appears at certain times of the year. Learn how treatment can make a difference.
There’s more to depression than ‘the blues’. If you’re sad for weeks, lack energy or no longer enjoy things you used to, you could be depressed.
Depression in children
If your child has symptoms of depression, it's best to seek professional help. Find out more about depression and children.
Just for kids: your feelings and mental health
If you're a kid, find out who you can talk to about mental health issues such as depression, anxiety, bullying, cyberbullying and drugs and alcohol abuse.
Symptoms of depression
Depression (also known as major depression, or clinical depression) is a medical condition where people experience long and intense periods of low mood which affects their ability to function.
Aboriginal and Torres Strait Islander people and mental health
Aboriginal and Torres Strait People still face many disadvantages in terms of education, employment and earning power; which continue to erode the social and emotional wellbeing of the Aboriginal and Torres Strait Islander community.
Kids and mental health
Mental health problems affect a child’s emotions and behaviour, and can be worrying for the child and their family.
There is no one-size-fits-all treatment for depression. Physical, psychological, complementary and self-help strategies can all be effective, usually in combination.