Is premature ejaculation due to yin deficiency or yang deficiency?

Generally, premature ejaculation may be caused by either yin deficiency or yang deficiency, and a differential diagnosis should be made based on accompanying symptoms, as the underlying mechanisms differ between the two. If in doubt, it is recommended to assess the overall clinical presentation. The specific analysis is as follows:

Premature ejaculation due to yin deficiency is often caused by kidney essence depletion and internal heat from deficiency fire, which damages the seminal gate and leads to loss of containment. It is commonly accompanied by symptoms such as soreness and weakness in the lower back and knees, heat in the palms, soles, and chest, dry mouth, and night sweats. During intercourse, premature ejaculation easily occurs due to disturbance by deficiency fire.

Premature ejaculation resulting from yang deficiency is primarily due to insufficient kidney yang and impaired warming function, leading to failure in securing the seminal gate. It is usually associated with aversion to cold, cold limbs, frequent nighttime urination, and low energy. During intercourse, inadequate yang qi fails to control the semen, resulting in premature ejaculation.

In daily life, one should avoid excessive fatigue and staying up late, and maintain moderation in sexual activity. Individuals with yin deficiency may benefit from consuming nourishing yin foods such as goji berries and lily bulbs, while those with yang deficiency may include warming and tonifying foods such as lamb and walnuts. If symptoms persist, timely pattern differentiation and appropriate regulation are necessary—avoid blind use of medications that could worsen the condition.