Glossary On Symptoms

The symptoms of hypothyroidism are often so subtle that they go unnoticed especially in the initial stages. People often mistake these for symptoms of normal aging. Occasionally, some patients may have no symptoms at all. However, most patients have a varying combination of the symptoms mentioned here - the severity of symptoms may depend on the duration of the illness and its gravity.

  • Fatigue, weakness
  • Weight gain
  • Intolerance to cold
  • Depression
  • Irritability, mood instability
  • Loss of memory
  • Constipation
  • Excessive sleepiness
  • Dry and coarse hair, loss of hair
  • Dry, rough and pale skin
  • Abnormal menstrual cycles - Heavy or irregular menstrual periods
  • Decreased libido
  • Muscle cramps
  • Decreased sweating
  • Goiter

As the disease progresses, the following symptoms may be noticed:

  • Puffiness of face, hands and feet
  • Thinning of the outer third of the eyebrows
  • Slow speech
  • Hoarseness of voice
  • Low basal body temperature
  • Bradycardia (heart rate of less than sixty beats per minute)
  • Shallow and slow respiration
  • Difficulty in swallowing
  • Thickening of the skin
  • Myxedema - marked by dry skin and swellings around lips and nose as well as mental deterioration

Hypothyroidism in children can have a serious impact on the development of the child and can present as follows:

  • Poor growth, short stature
  • Delayed development of permanent teeth
  • Delayed puberty
  • Poor mental development