Prior to getting a Prolactin test, here are a few important points to know about the test:
No special preparations are required for a Prolactin test. The Prolactin test requires only a sample of your blood for testing. However, your doctor may advise you to fast for a few hours if any other tests that require fasting are ordered along with the Prolactin test.
The blood sample for the Prolactin test can be taken at any time of the day as fasting is not required. However, if you are getting other tests in addition to the Prolactin test, your doctor may recommend an optimal time to get tested.
A Prolactin test is most often done to diagnose a type of pituitary tumour called a prolactinoma that causes the pituitary gland to produce more prolactin. Individuals diagnosed with prolactinoma are also monitored with regular testing, to see if the treatment is working, and after treatment, to check if the tumour has come back.
The Prolactin test is also recommended if you experience symptoms of high prolactin levels. These symptoms are different in men and women.
Women may have symptoms such as:
Men may present with:
The Prolactin test may also be recommended to check for low prolactin levels in women who do not produce enough breast milk after delivery.
The Prolactin test is generally a safe and simple test and requires no precautions. However, some medications can alter prolactin levels. Therefore, make sure to inform your doctor about any medications that you are taking.