Q. What causes mood swings from excited to depressed state?

Answered by
Dr. Ajay Singh
and medically reviewed by Dr. Divya Banu M
This is a premium question & answer published on Dec 29, 2019

Hello doctor,

I have these big changes in my mood and activity levels. I will swing from feelings of euphoria and lots of energy during this time. I am extremely aggitated, my thoughts race and I feel as if I do not need much sleep. But I will then crash to an extremely depressive state where I will binge eat, I loose all my motivation. I cannot think or make decisions. I also am often very anxious and I have bursts of extreme anger.



Welcome to

In order to make an accurate diagnosis, some more detailed information is required about your symptoms such as when did it begin, how long do they last, what exactly you feel in depression, have you taken any medicines for it previously, is there any family history of similar symptoms, what situations trigger these episodes.

Thank you doctor,

The symptoms have been going on for at least a year. When I am in depression I feel constantly guilty, I loose all my motivation and I cannot get out of bed in the morning and I will feel a weight on my shoulders. And these symptoms come on without warning and for no specific reason when I have a raised mood this will last a week at most and the depressive mood can last up to a week and a half I have been diagnosed with generalised anxiety disorder and I have been put on Fluxotine, this has improved my anxiety but has not changed anything else.



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Do these episodes of euphoria and energy last for days at end or just for a few hours? Do you crash into depression state all of a sudden or does it occur slowly? Have you been prescribed any medication? Do you have difficulty in studying such as loss of concentration or wandering away of mind to different subjects all at once?

Thank you doctor,

The euphoric episodes last for days at end and my mind races and I cannot concentrate because it is spinning and and wandering away to different subjects all at once. I was prescribed Prozac for my anxiety.



Welcome back to

You can discuss with your prescribing psychiatrist regarding adding Lithium or Sodium valproate which are mood-stabilzers which will prevent your episodes of euphoria followed by depression.

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