Table 1

Common clinical features in hypothyroidism and hyperthyroidism

OrganHypothyroidismHyperthyroidism
  • Skin

Cold intolerance, cool dry skin, pallid complexion, puffy face, coarse brittle hair, alopecia, diminished sweatingHeat intolerance, warm moist skin, increased sweating
  • Nervous system

Paraesthesia, lethargy, deafness, slow speech, depression, slow reflexesNervousness, irritability, tremor, eyelid retraction
  • Musculoskeletal

Weakness, myalgia, muscle cramps, easy fatigabilityWeakness, myopathy
  • Cardiac

Decreased exercise tolerance, slow pulse, cardiomegalyShortness of breath, palpitations, arrhythmias, heart failure
  • Gastrointestinal

Anorexia, constipation, weight gainIncreased appetite, frequent bowel movements, weight loss
  • Genitourinary

Menorrhagia, reduced fertilityScanty periods
  • Others

Raised cholesterol, anaemiaEye and skin changes of Graves’ disease