30 Thyroid Symptoms That Are Too Important to Ignore

15. You're Feeling Anxious or Irritable

If you've been feeling on edge, more anxious, or just plain irritable, your thyroid might be stirring the pot. Hyperthyroidism can make your body feel like it's constantly in motion, which can lead to mood swings. And if you're not sleeping well (thanks to the thyroid chaos), that anxiety and irritability might just get worse.