Term: underactive thyroid Pronunciation: (... THY-royd) May 24, 2024October 7, 2025 Description: Too little thyroid hormone. Symptoms include weight gain, constipation, dry skin, and sensitivity to the cold. Also called hypothyroidism. Related Posts:Oncoprescribe Blog Pazopanib in Thyroid CancerOncoprescribe Blog Vandetanib (Zactima) in Medullary…Lenvatinib versus Placebo in Radioiodine-Refractory…Lenvatinib versus Placebo in Radioiodine-Refractory…Avoiding Radioiodine Therapy following Thyroidectomy…Avoiding Radioiodine Therapy following Thyroidectomy…