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We've helped over 200,000 people take control of their health. Are you experiencing symptoms of raised prolactin, such as low libido, erectile dysfunction, or irregular periods? This test can help you determine whether raised prolactin levels could be contributing to your symptoms.
Prolactin
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Prepare for your Prolactin Blood Test by following these instructions. Take your sample between 6am and 10am. Avoid nipple stimulation or any kind of sexual activity for 24 hours before taking this test, as these can increase prolactin levels. Heavy meals and strenuous exercise can also impact prolactin results and are best avoided before taking the test. Do not take biotin supplements for two days before this test, discuss this with your doctor if it is prescribed.
Your personalised, actionable health results are only a few clicks away. Order your test, take and post your sample, then view your results online with our doctors' comments.
MyMedichecks is your personal online dashboard where you can view your results, access clear and simple explanations about individual health markers, monitor changes in your health, and securely store information about your medical history, lifestyle, and vital statistics.
As well as producing breast milk, prolactin has other wide-ranging functions, from influencing the reproductive system to regulating the immune system. Find out more about the role of prolactin.
Prolactin levels are naturally much higher during pregnancy and in lactating women.
there are many causes of a raised prolactin level. Most often, mild increases are seen with heavy exercise, alcohol consumption, and following intercourse. Other causes include certain medications (such as antidepressants or antipsychotics), an underactive thyroid (hypothyroidism), polycystic ovary syndrome (PCOS), chronic liver or kidney disease, or tumours affecting the pituitary gland in the brain (prolactinomas). Find out other possible causes of raised prolactin.
There are many harmless causes of a raised prolactin level, including activities before the sample is taken, certain medications, and the time of blood draw. Therefore, a high proportion of prolactin results are raised (over a quarter). Our doctors may advise you to repeat your sample or visit your GP for further assessment if it’s appropriate.
