What are the causes of elevated prolactin levels, and are they related to diet?

Dec 28, 2021 Source: Cainiu Health
Disease description:

I’ve had irregular menstruation since giving birth. When I visited the doctor, they diagnosed me with hyperprolactinemia. What causes elevated prolactin levels, and is diet related?

Doctor's answer (1)
Dr. Pan Yongyuan
First, hyperprolactinemia is primarily caused by the following factors: - **Hypothalamic disorders**: Conditions such as encephalitis or craniopharyngioma may impair the hypothalamus’ production of prolactin-inhibiting factor (PIF), leading to elevated prolactin levels. - **Pituitary disorders**: Tumors located in the pituitary gland—particularly prolactinomas—can cause excessive prolactin secretion. - **Hypothyroidism**: In cases of thyroid hormone deficiency, reduced negative feedback on the pituitary stimulates increased prolactin secretion. - **Medications**: Certain drugs—including sedatives, antihypertensives, and others—may interfere with normal prolactin regulation. - **Neurological stimulation**: Procedures or conditions involving chest surgery, burns, or other forms of neural stimulation can also trigger elevated prolactin levels. - **Dietary factors**: Although diet has no direct causal relationship with hyperprolactinemia, poor dietary habits may compromise overall health and thereby indirectly affect prolactin secretion. Patients with hyperprolactinemia are advised to follow a diet low in salt and fat but rich in high-quality protein and vitamins, which supports disease recovery.