After having depression once, it is understandable to worry when symptoms start appearing again. But spotting the red flags early may help prevent a more severe episode from developing.
Many people who have depression may experience a relapse or recurrence. According to one review, it usually happens within 5 years, but it can occur weeks, months, or even many years after the first episode.
About half of the people who experience an episode of depression for the first time will remain well. For the other half, depression can return one or more times throughout their lives.
For those people who do experience repeat episodes of depression, the warning signs may be different each time.
Doctors and researchers do not know why some people experience a relapse, but others do not.
This article looks at the signs that depression is returning, its possible triggers, and ways to prevent, treat, and cope with this condition.