Congenital Hypothyroidism (Spanish Water Dog)

This disorder is characterized by the presence of goiter and various developmental abnormalities, severely impacting the affected dogs' overall health and development. Congenital hypothyroidism in Spanish Water Dogs typically becomes evident within the first week of life. Affected puppies often exhibit significant lethargy and failure to thrive, alongside a distinctive goiter, which is an enlarged thyroid gland. They may also display stunted growth, resulting in dwarfism and delayed developmental milestones such as teething and opening the eyes and ears. Additional symptoms include thickened subcutaneous tissue, abnormal hair growth, and delayed skeletal development, including vertebral and limb dysplasia. Without intervention, these puppies may experience severe complications and early death due to progressive thyroid dysfunction.