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.
Cushing's disease is seen mostly in middle-age or older dogs. Poodles, Daschunds, Boxers, Boston Terriers and Beagles seem to be more prone to the disease. An increase in thirst and therefore increased urine output are common with this condition and affected dogs often develop an increased appetite. Pets with Cushing's disease don't cope well with heat and panting is common.