Take a drink of water and swallow. As you swallow, look at your neck. Watch carefully for any bulges, enlargement, protrusions, or unusual appearances in this area when you swallow, and if you see anything unusual, see your doctor right away. Hair and skin are particularly vulnerable to thyroid conditions. With hypothyroidism, hair frequently becomes coarse and dry, breaking, brittle, and falls out easily.
Skin can become coarse, thick, dry, scaly.
In hypothyroidism, there is often an unusual loss of hair in the outer edge of the eyebrow. With hyperthyroidism, severe hair loss can also occur, and skin can become fragile and think. Severe or long-term constipation is frequently associated with hypothyroidism, while diarrhea or irritable bowel syndrome is associated with hyperthyroidism. Menstrual Irregularities and Fertility Problems. Heavier, more frequent, more painful periods are frequently associated with hypothyroidism, and shorter, lighter, or infrequent menstruation can be associated with hyperthyroidism.