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