Abnormalities of prolactin can present with a myriad of signs and symptoms that are difficult to distinguish from other pathologies within the constraints of a GP consultation. It is important to know when it is appropriate to check the prolactin level, how to interpret the result and what to do about abnormal results. Management is dependent on the underlying cause and clinical context. This article will address abnormalities of prolactin in a practical, step-by-step manner with the aim of providing a tool for use by GPs.
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