Given that thyroid imbalances are not usually preventable, the best defense is to catch and treat problems early by recognizing the warning signs. If you suffer from a number of the following symptoms, talk to your health care practitioner about thyroid testing.

Hypothyroid Symptoms
Constipation / Dry skin / Decreased libido / Depression / Difficulty concentrating / Memory loss / Fatigue / Feeling cold / Goiter / Headaches / Irregular menstrual periods (long, heavy) / Irritability / Slow healing / Slow pulse / Water retention / Weight gain

Hyperthyroid Symptoms
Anxiety or nervousness / Bulging eyes / Diarrhea / Enlarged thyroid gland / Excessive sweating / Hair loss / Increased hunger / Insomnia / Irregular menstrual period (short, light) / Irritability / Rapid heart rate / Heart palpitations / Trembling hands / Weight loss