Thyroid gland intoxication, hyperthyroidism. Hyperthyroidism, thyrotoxicosis, Basedow?s disease, intoxication of the thyroid gland causing: tremors of the hands, exophthalmos, nervousness, increased activity, increased sweating, hypersensitivity to heat, fatigue, weakness, increased appetite, weight loss, palpations, tachycardia, insomnia, diarrhea.