Definition of primary and secondary amenorrhea. Amenorrhea is the medical term for the absence of menstrual periods, either on a permanent or temporary basis. Amenorrhea can be classified as primary or secondary.
Most inherited bleeding disorders are the result of abnormal platelet function or a deficiency in one or more of the factors involved in the blood clotting system. The most serious and common inherited coagulation disorders in dogs are hemophilia(deficiency of factor VIII or IX) and von Willebrand's disease (lack of von Willebrand factor). Other coagulation disorders are discussed here.
Cushingâs Disease is one of the most common endocrine disorders in dogs and within that group, 80-85% of the dogs have PDH, while the remaining 15% have a functional adrenal tumor. Mitotane is a commonly used treatment for PDH in dogs and approximately 80% of dogs with PDH will respond favorably to treatment. There are two different basic protocols for using mitotane in dogs with PDH.