Why do patients with hyperthyroidism experience erectile dysfunction?

Sep 11, 2025 Source: Cainiu Health
Dr. Yang Ziqi
Introduction
Hyperthyroidism usually refers to hyperfunction of the thyroid gland. Generally, the main causes of erectile dysfunction in patients with hyperthyroidism include hormonal imbalances, psychological and emotional abnormalities, hyperthyroid heart disease, hyperthyroidism complicated with diabetes, and peripheral neuropathy associated with hyperthyroidism.

Hyperthyroidism usually refers to hyperthyroidism. Generally, the main causes of erectile dysfunction in patients with hyperthyroidism include hormonal imbalances, abnormal mental and emotional states, hyperthyroid heart disease, hyperthyroidism complicated with diabetes, and hyperthyroid peripheral neuropathy. If discomfort symptoms occur, it is recommended to seek timely treatment at a regular hospital. A detailed analysis is as follows:

1. Hormonal Imbalances

When hyperthyroidism occurs, excessive thyroid hormones inhibit the secretion of gonadotropins, leading to decreased testosterone levels, which affect penile erectile function. Patients should take medications such as methimazole tablets, propylthiouracil tablets, or carbimazole tablets under a doctor's guidance to inhibit thyroid hormone synthesis. Once thyroid function returns to normal and hormone levels gradually balance, erectile function can improve accordingly.

2. Mental and Emotional Abnormalities

Hyperthyroidism can easily cause emotional problems such as anxiety, irritability, and insomnia. Long-term negative emotions can affect the central nervous system's regulation of erectile function, leading to erectile dysfunction. Emotions can be regulated in daily life through activities such as listening to music and exercising, while ensuring adequate sleep. If emotional problems are severe, medications such as sertraline tablets, paroxetine tablets, or fluoxetine capsules can be taken under a doctor's guidance to alleviate symptoms.

3. Hyperthyroid Heart Disease

If hyperthyroidism remains uncontrolled for a long time, it can increase the burden on the heart, leading to hyperthyroid heart disease, causing myocardial ischemia, affecting blood perfusion of the penile corpus cavernosum, and subsequently causing erectile dysfunction. Patients should first take propranolol tablets under a doctor's guidance to control heart rate and methimazole tablets to improve hyperthyroidism. If the heart damage is severe and involves heart valve injury, valve replacement surgery can be performed to restore heart function.

4. Hyperthyroidism Complicated with Diabetes

Hyperthyroidism can affect glucose metabolism, increasing the risk of diabetes. In diabetic patients, long-term elevated blood sugar can damage blood vessels and nerves, affecting the blood supply and nerve conduction required for penile erection, leading to erectile dysfunction. Patients should take metformin tablets, gliclazide tablets, and acarbose tablets under a doctor's guidance to control blood sugar levels, while taking propylthiouracil tablets to treat hyperthyroidism. Treating both conditions simultaneously can improve erectile function.

5. Hyperthyroid Peripheral Neuropathy

Hyperthyroidism can cause damage to peripheral nerves, affecting nerve signal transmission in the penile region, preventing the penis from receiving the signals required for erection normally, leading to erectile dysfunction. Patients can take vitamin B1 tablets, vitamin B6 tablets, and mecobalamin tablets under a doctor's guidance to nourish the nerves. At the same time, active treatment of hyperthyroidism can gradually restore nerve function, thereby alleviating symptoms of erectile dysfunction.

During the treatment of hyperthyroidism, patients should also pay attention to adjusting their lifestyle habits, such as avoiding excessive fatigue, maintaining a good mental state, eating a balanced diet, etc., all of which can help improve sexual function.

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