Is it possible to have seasonal affective disorder plus depression?

Yes. Unfortunately, there is nothing in the rule book that says you can't have more than one problem.
SAD. SAD is now referred to as Depressive Disorder with Seasonal Pattern in DSM 5. It is a subtype of major depression. One could have a seasonal exacerbation of symptoms on top of an underlying persistent, chronic depression (dysthymia).

Related Questions

How do I distinguish depression from seasonal affective disorder?

Depression. There are a number of different types of depression, which sad is one. The distinguishing characteristics od sad include the seasonal and cyclical pattern of the depression, accompanied by loss of energy, increased appetite, low motivation and oversleeping. Other depressions can occur at any time during the year and do not improve necessarily as seasons change. Read more...
Agree w Dr Pancer. Seasonal affective disorder is one type of depression. SAD symptoms occur with change in season (often fall and winter) & can include carbohydrate craving, increased appetite with weight gain, low energy level, irritability, moodiness, sleeping more, heavy feeling in extremities, being overly sensitive to rejection and it can impact relationships. There are some people who develop seasonal. Read more...

Is seasonal affective disorder depression?

Yes. It is technically a specific version within the broader category of depression. One hallmark of sad is depressed mood, similar to depression itself. Antidepressants are frequently used to try to treat sad. Light therapy administered in the home everyday is also very effective. Read more...
Not by definition. It can lead to depression or aggravate an existing depression. They are considered to be two separate disorders but often coexist. It pays to treat sad early on so depression may be averted and if it occurs along with a depression it needs attention directly so depression treatment can be more effective. Read more...

Can you experience physical pain with seasonal affective disorder? Or is that only with actual clinical depression?

Sure you can. Physical pain experience is a pretty bad symptom to suffer and it's not necessarily part of any kind of depression diagnosis - but it can become part of any mental health problem. Our most vulnerable systems tend to play a part in the expression of these problems. If pain is your 'go to' - it will be a likely presence. Seek therapy - feel better. Read more...

Feel depressed when daylight savings time ends. Do I have seasonal affective disorder?

SAD. Sad is more prevalent in regions with colder darker wonters allowing for less interaction with other humans and the environment. You should be properly evaluated if you feel your symptoms are affecting your daily life pattern/routines. Read more...
Maybe. SAD symptoms occur with change in season (often fall and winter) & can include carbohydrate craving, increased appetite with weight gain, low energy level, irritability, moodiness, sleeping more, heavy feeling in extremities, being overly sensitive to rejection and it can impact relationships. Read more...