First I want to make it clear that the following tips are ways that you could use next to professional treatment. These tips are not replacements for treatment.
Always speak to a doctor or therapist if you have any signs of depression.
Depression can come up at any moment and last for a few days all the way up to weeks at a time. Especially during the winter more people seem to affected by it. Down below I've written 10 ways to beat depression, next to possible treatment.