Although they're separate diseases, depression is sometimes a symptom of hypothyroidism. That's when your thyroid gland doesn't make enough thyroid hormone. Medication can boost those levels, and that can improve or get rid of your symptoms, including depression.

Can hypothyroidism cause depression?

Yes, thyroid disease can affect your mood — primarily causing either anxiety or depression. Generally, the more severe the thyroid disease, the more severe the mood changes.

What does hypothyroid depression feel like?

Depression, Hypothyroidism, or Both

Low mood, fatigue, difficulty concentrating, decreased libido, and weight gain are common symptoms of both. In such cases, it can be helpful to look at some of the other symptoms that may indicate the presence of underactive thyroid.