N64.3

Clinical Causes: Hormonal imbalances, especially elevated prolactin levels (hyperprolactinemia) Use of certain medications such as antipsychotics, antidepressants, or blood pressure drugs Pituitary tumors, such as prolactinomas Thyroid disorders, particularly hypothyroidism Chronic stress or head injuries affecting the hypothalamus or pituitary gland Chest wall irritation or injury Other systemic health issues or conditions affecting hormonal regulation

Key Symptoms: Unexpected nipple discharge, often milky in appearance Possible breast swelling or tenderness Changes in menstrual cycle in women, such as irregular periods or amenorrhea In men, signs may include breast enlargement (gynecomastia) Potential headache or visual disturbances if caused by a pituitary tumor No symptoms in some cases, with the condition detected during routine examinations

Diagnosis Path: Diagnosis typically involves a detailed medical history and physical examination, followed by targeted tests such as: - Blood tests to measure levels of prolactin, thyroid hormones, and other relevant markers - Imaging studies like MRI of the brain to assess the pituitary gland - Additional tests to rule out other causes, including pregnancy tests in women and relevant systemic evaluations Healthcare providers may also evaluate medication use and family history as part of the diagnostic process.

Treatment Protocols: Treatment approaches depend on the underlying cause of galactorrhea. Common strategies include: - Medication adjustments to discontinue or modify drugs that contribute to hyperprolactinemia - Use of medications such as dopamine agonists (e.g., bromocriptine, cabergoline) to lower prolactin levels - Managing underlying conditions like thyroid disorders - Surgical intervention in cases involving pituitary tumors that do not respond to medical therapy - Regular monitoring of hormone levels and imaging as required It is essential to consult healthcare professionals for a tailored management plan based on individual diagnosis.