Hi, Welcome to Healthcare Magic Forum.
The Normal
Testosterone level and ranges between 400 to 600 nanograms. Low Testosterone is rare in the 30s, infrequent in the 40s, relatively common in the 50s. So do not worry, as
Goiter does not happen due to Low Testosterone.
You are also having Loose
stools along with burning sensation in stomach, which may be related to
Gastroenteritis Infection. You may need antibiotics for this, get yourself evaluated by a Physician. Take Care.