Thyrotropin-Releasing Hormone Test

Alternate Names

  • TRF Test (Thyrotropin-Releasing Factor Test)

TRH is a hormone produced by the pituitary gland. TSH production is suppressed by high blood levels of T3 and T4. TRH levels are mainly used to diagnose an under-active pituitary gland, and to differentiate between depression and bipolar illness (manic-depressive). After being given a dose of TRH, people with normally functioning or over-active thyroid glands will not have increased blood levels of TSH. TRH levels can also be abnormal in elderly men, and during normal pregnancy.


Comments on Thyrotropin-Releasing Hormone Test (2 total) Participate in the discussion

Posted 7 years ago
Reply   Report spam


Posted 6 years ago
Reply   Report spam

TRH test shows raised plasma TSH level which is higher at 20 minutes than 60 minutes.This stem is true or false?

0 replies

In a medical emergency, step away from this web site and call for emergency help. Remember, we're not doctors and we don't claim to be able to diagnose your condition. The information and services we provide or display here are merely intended to make you a more knowledgeable patient so that you can have smarter conversations with your actual health care providers.