Typical hypothyroid symptoms include the following:

• Fatigue
• Weight gain or difficulty losing weight
• Brain fog
• Difficulty concentrating
• Depression
• Sleep disorder (too much or too little sleep)
• Constipation
• Cold intolerance
• Fatigue
• Dry skin
• Brittle nails
• Hair loss or coarse hair
• Muscle aches
• Heavy periods
• Slowed heart rate
• Slowed reflexes

Hypothyroidism crisis can develop in poorly controlled hypothyroid patients, patients who develop an unrelated acute illness, or in those unaware they have hypothyroidism . Hypothyroidism crisis is very dangerous and needs immediate medical need as it can result in coma. The hypothyroidism crisis is characterized by:

• Extreme intolerance to cold and shivering
• Slow labored breathing
• Slow heart rate
• Extreme lethargy
• Loss of consciousness