Why does hypothyroidism cause loss of libido?

Sexual desire is influenced by physical health, emotions, sleep, relationships, medicines, and hormones. Low thyroid hormone can contribute through tiredness, low mood, reduced exercise tolerance, and changes in sexual function. Loss of Libido is a common presentation of Hypothyroidism, but a change in desire does not identify the cause on its own.

Some people also notice vaginal dryness, erection difficulties, or less interest in intimacy. These symptoms can be sensitive to discuss, yet they give a clinician useful clues and deserve the same attention as other health concerns.

Arrange a routine appointment if reduced desire is persistent, distressing, or occurring with other possible thyroid symptoms. A clinician can review thyroid function, medicines, mood, sleep, and other medical factors. If hypothyroidism has already been diagnosed, continue prescribed treatment and request a review rather than changing the dose yourself.

Choose a private, unhurried time to talk with a partner if you have one. Honest communication about fatigue, discomfort, and expectations can reduce pressure while the medical cause is being explored.

Seek urgent help if low mood comes with thoughts of harming yourself or feeling unable to stay safe. Contact emergency services or a local urgent mental-health service, and tell someone you trust. Urgent assessment is also appropriate for severe pelvic or testicular pain, bleeding that concerns you, or sudden neurological symptoms.

Ask whether thyroid levels or other hormone-related factors need checking, whether a medicine could be contributing, and what options may help with dryness, erectile difficulties, mood, or fatigue. Explain when the change began and whether it is affecting your wellbeing or relationship.