Read about allan-herndon syndrome medical facts: what is the definition of allan-herndon syndrome, what are the signs and symptoms, medical treatment & how to treat allan-herndon syndrome, information about the causes, diagnosis, and related allan-herndon syndrome diseases.

Definition: What is "Allan-Herndon syndrome"?


Allan-Herndon syndrome is categorized as an extremely rare hereditary disorder that causes severe mental retardation along with impaired speech ability, diminished muscle tone, as well as possible movement abnormalities. For most infants afflicted with this medical condition tend to develop normally during the first few months. However, when the child reaches more or less six months, the baby will appear weak & unable to hold up its head & may never learn to walk on their own.

Symptoms & Signs

Some of the symptoms that are associated with this syndrome include the wasting of muscles, experience of stiffness & weakness of the legs, movement abnormalities, as well as possible deformities of the facial & skull region. The patient may also find it difficult to speak & as well as gain control of the voluntary movements.

Treatment: How to Treat "Allan-Herndon syndrome"?

Treatment for this medical condition is specifically tailored for each patient & are usually supportive therapies for the metabolic disorders, myopathies & genetic diseases, Orthopedic surgical interventions, bracing & physical therapy have been known to prolong the life expectancy of the patient.


This genetic disorder is brought about the x-linked recessive pattern, a mutated gene that is located on the patient's x chromosomes. The male species are more prone to contract this disease than females.


Patients usually undergo CBC, urinalysis, sedimentation rate, serum protein electrophoresis as well VDRL test to derive a more definitive diagnosis.

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