Hypothyroidism symptoms often develop slowly over time, making them easy to overlook or attribute to other causes like aging or stress. Recognizing these symptoms early can lead to faster diagnosis and treatment.

Physical Symptoms

  • Fatigue: Persistent tiredness even after adequate sleep
  • Weight gain: Unexplained weight increase despite normal eating habits
  • Cold sensitivity: Feeling cold when others are comfortable
  • Dry skin: Skin may become rough, pale, and flaky
  • Hair loss: Thinning hair, including eyebrows
  • Brittle nails: Nails may become weak and break easily
  • Constipation: Slowed digestive function
  • Muscle weakness: Aches, tenderness, and stiffness
  • Joint pain: Stiffness and swelling in joints
  • Puffy face: Swelling, particularly around the eyes

Cognitive and Emotional Symptoms

  • Brain fog: Difficulty concentrating and memory problems
  • Depression: Feelings of sadness or hopelessness
  • Slowed thinking: Mental processes may feel sluggish

Other Symptoms

  • Hoarse voice: Changes in voice quality
  • Irregular or heavy periods: In women
  • High cholesterol: Often discovered during blood tests
  • Slow heart rate: Lower than normal pulse

When to See a Doctor

If you're experiencing several of these symptoms, especially fatigue, weight changes, and cold sensitivity together, consider asking your doctor about thyroid testing. Early detection leads to better outcomes.