Bipolar disorder causes mood swings. The highs, or mania, are the time period when a patient feels overly excited. The lows, or depression, can last for long periods of time and cause sadness and low mood. People with bipolar disorder often have trouble functioning in their everyday lives. It is important to get treatment for bipolar disorder so that you can live a happy and healthy life.
1Symptoms of bipolar disorder can include:

Feeling overly happy
Bipolar disorder has some hallmark symptoms broadly divided into two extreme mood swings. People with bipolar disorder can feel excessively happy and euphoric during manic episodes. This can lead to impulsive behaviors. While feeling overly happy may seem like a good thing, it can actually be quite dangerous for people with bipolar disorder.