Signs and Symptoms

Symptoms of hypothyroidism depend on the decrease in thyroid hormone and the duration of the condition. Often, mild symptoms are mistaken for other problems. Symptoms may include:

  • Fatigue
  • Joint or muscle stiffness
  • Decreased hearing
  • Weight gain
  • Dry skin
  • Sensitivity to cold
  • Coarseness or loss of hair
  • Goiter, or an enlarged thyroid causing a lump in the neck
  • Constipation
  • Memory and mental impairment
  • Depression and irritability
  • Irregular or heavy menstruation
  • Slowed heart rate
  • Decreased libido

Reviewed by health care specialists at UCSF Medical Center.

Related Information

UCSF Clinics & Centers


400 Parnassus Ave., Suite A-550
San Francisco, CA 94143
Phone: (415) 353–2350
Fax: (415) 353–2337
Appointment information