Can takiing klonopin and diazepam effect the level of thyroid hormone your thyroid puts out? Could your test results show as normal and you still have symptoms of low thyroid. I've come across numerous articles on the internet that the tests for TSH are not really reliable and that the TSH test miss a lot of people that actually have low thyroid when their tests show normal, especially for fibromyalgia and chronic fatigue syndrome because of the autoimmune triage of different disorders going on with these illnesses, I've heard there is a specific reference range for people with these conditions to go by, not the normal lab references. Are there other types of tests to take to see if the thyroid is putting out enough thyroid hormones besides TSH, T3 and T4 test? Like checking for a subtance called transthyretrin (also known as prealbumin) along with the TRH (thyrotropin-releasing hormone) stimulation test. Another test I have heard of is the Barnes Basal temperature Test were you check your Basal temperature axillary first thing in the morning when you wake before getting out of bed with a glass thermometer, if hormone is low , your temperature would be below 97.8F (normal throughtout the day is 98.6F, and if it is consistently low every morning for at least 2 weeks, it is said that low body temperature indicates a low thyroid, plus also the Achilles deep tendon reflexes test. I am asking these questions because I have all the symptoms of low thyroid, and my TSH keeps coming back that my thyroid is normal. And just recently got accidently put on benzodiazepines with a 2 week hospital stay, not knowing anything about this medicine with horrible withdrawal symptoms, trying to taper off.