More than 2 million Americans live with bipolar disorder. This condition causes an individual to experience sharp changes in moods, often back and forth between a manic state and a depressed state.

During manic episodes, a person feels "high" and energetic; when in a depressed state, they experience sadness, fatigue and difficulty concentrating. These sudden shifts may also coincide with changes in sexual desire and sexual function.

Bipolar disorder and hypersexuality

Hypersexuality—sometimes called compulsive sexual behavior—can manifest as a symptom of mania. It's characterized by an excessive preoccupation with sex that is hard to control. Hypersexuality is also marked by libido (sex drive) suddenly and frequently spiking. It can negatively affect a person's health, job and