What are the symptoms of low thyroid hormone (hypothyroidism)?

Common symptoms of hypothyroidism include:

• Sluggishness, fatigue, and low stamina,
• Weight gain or inability to lose weight,
• Brain fog or memory issues,
• Mood changes, anxiety, or depression,
• Feeling cold frequently,
• Dry skin and hair,
• Constipation,
• Menstrual irregularities.

Symptoms can vary widely, and some patients experience only a few while others notice multiple overlapping issues.