Mobility continues to decrease slowly. In addition SBMA patients frequently exhibit bulbar muscle weakness and atrophy. The muscles of the face, lips, tongue, mouth, throat, vocal cords, trunk, and upper extremities may be affected. Fasciculations of the face, lips, and tongue are frequently observed. Other features that aid in diagnosis, but are not always present, are gynecomastia and infertility.
Female carriers are clinically asymptomatic.
See a summary of clinical features for a more detailed list of signs and symptoms at Kennedy Disease Signs and Symptoms . Kennedy's Disease is very rare. Therefore, it is easy for a practitioner to ascribe to another cause the symptoms a patient may have. Many medical tests may be conducted initially. These are used to rule out other more life-threatening conditions.