What symptoms does tyroid disease causes when it overactivr?

Many, including: Sudden weight loss, rapid heartbeat and/or irregular heartbeat or pounding of your heart, increased appetite, nervousness, anxiety and irritability, tremors, sweating, changes in menstrual patterns, increased sensitivity to heat, hanges in bowel patterns, especially more frequent bowel movements, anenlarged thyroid gland, fatigue, muscle weakness, difficulty sleeping, fine, brittle hair.

Overactive thyroid.: Symptoms include:: a racing heart beat, weight loss, diarrhea, dry skin, feeling warm to hot, brittle hair and nails, etc.