
Sometimes, a slow sex drive winds up being one symptom of a larger medical problem. So if along with your low libido you begin noticing weight gain, dry skin, hair loss, and fatigue, don’t ignore it—you may be among the 15 million Americans unknowingly suffering from a thyroid problem. A simple blood test will confirm a diagnosis, and it can be treated with medication. Dr. Millheiser warns that low libido is also linked to other medical disorders, including depression and chronic fatigue.