<unk>  symptoms The signs and symptoms of<unk>  virtually all result from the direct and indirect effects of hyperthyroidism, with main exceptions being<unk> ' ophthalmopathy, goiter, and pretibial myxedema (which are caused by the autoimmune processes of the<unk> . Symptoms of the resultant hyperthyroidism are mainly insomnia, hand tremor, hyperactivity, hair loss, excessive sweating, oligomenorrhea, itching, heat intolerance, weight loss despite increased appetite, diarrhea, frequent defecation, palpitations, periodic partial muscle weakness or paralysis in those especially of Asian descent, and skin warmth and moistness. Further signs that may be seen on physical examination are most commonly a diffusely enlarged (usually symmetric), nontender thyroid, lid lag, excessive lacrimation due to<unk> ' ophthalmopathy, arrhythmias of the heart, such as sinus tachycardia, atrial fibrillation, and premature ventricular contractions, and hypertension. People with hyperthyroidism may experience behavioral and personality changes, including psychosis, mania, anxiety, agitation, and depression.
Graves' disease
Hashimoto's thyroiditis
Autoimmune thyroiditis
Riedel's thyroiditis
Ord's thyroiditis
Cushing's disease
Radiation-induced thyroiditis
Behr syndrome