Women with a slow or underactive thyroid typically experience weight gain or difficulty losing weight, severe fatigue, joint and muscle pain, and headaches, according to Women to Women. A diminished sex drive, constipation and puffiness in the face are also symptoms of a slow thyroid.
Some women with a slow thyroid, also known as hypothyroidism, develop dry skin, brittle nails and hair, an itchy scalp or hair loss, explains Women to Women. Irregular periods and pre-menstrual syndrome symptoms are also common with a sluggish thyroid.
Women who have difficulty tolerating lower or cold body temperatures may be suffering from an underactive thyroid, according to Women to Women. In addition, sleeping more than usual, persistent cold sores, breakouts and boils may be a sign that the thyroid is slow. Women who develop allergies or experience more intense allergy symptoms could possibly have a sluggish thyroid. Bruising and clotting problems, as well as a tingling sensation in the wrists and hands, also indicate signs of hypothyroidism.
In some instances, women with a slow thyroid experience memory loss, difficult focusing or following a conversation, fuzzy thinking and slowness in sleep, explains Women to Women. Hoarseness and calcium metabolism difficulties are also signs of an underactive thyroid.