Most
nodules are benign.
Nodules are commonly caused by Hashimoto's. Dry hair is a sign of hypothyroidism, commonly caused by Hashi. Swollen glands are a sign of Hashi, as are rashes, hives, dry skin, IBS, GERD, heartburn, depression, joint pain, foot pain, leg pain, low vitamins (especially D and B12), brain fog, fatigue, weight gain. Sometimes, Hashi can cause hyper symptoms such as shaky hands, anxiety, diarrhea, rapid heart rate, etc...