what is atypical depression
Atypical depression. Atypical depression-a type of depression that can be difficult to treat-has symptoms that include weight gain, sleeping too much, and feeling anxious. Here is information about the causes of atypical depression and its diagnosis that you can use when you talk to your doctor.espite its name, atypical depression is probably rather common. Some doctors believe that it is under-diagnosed. Researchers are considering whether or not atypical depression might be a type of dysthymia-a low-level depression that has lingered for at least two years.