What are some signs of an underactive thyroid?

My hair has been falling out.I have gained about 20lbs in 2 months.I'm always tired and have been sick several times in the past 2 months or so. Also my sex drive is nil

User Comments

  1. Lethargy, slow movements, memory loss, confusion.
    Slowed heart rate, cool skin, cold intolerance.
    Dyspnea, hypoventilation.
    Dry skin, brittle dry hair.
    Decreased appetite, weight gain, constipation, increased serum lipid levels.
    decreased libido, erectile dysfunction.
  2. You pretty much answered your question. Go to the doctor.