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Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal Infections (PANDAS) and Autism

Posted on 06 September 2011 by autism

There is a condition recognized in the biomedical field for autism and related disorders called PANDAS (Pediatric Autoimmune Neuropsychiatric Disorders Associated with Streptococcal infections). This particular condition is caused by an immune reaction triggered by a toxin produced from a Group A Beta-Hemolytic Streptococcal infection. There are various strep bacteria that produce toxins as part of their infectious nature. Our immune system responds to them in an attempt to neutralize and eradicate these toxins. Unfortunately, in some individuals, this immune-toxin (aka. antibody-antigen complex) reaction creates immune complexes which are deposited in various tissues of the body. If these immune complexes land in the kidneys there is an immune reaction called post-streptococcal glomerulonephritis, in the heart it is called rheumatic fever, and in the brain PANDAS can ensue. This autoimmune reaction (self-directed immune reaction to body tissue) in PANDAS is directed to the Basal Ganglia area in the brain. The Basal Ganglia region of the brain when altered or damaged is associated with disorders such as obsessive-compulsiveness (OCD), strange body posturing/movements called chorea, and the typical TIC movements (quick jerking or vocal tics) associated with Tourette’s Syndrome. With obsessive-compulsive behavior anxiety is usually a major problem.

Some individuals on the autism-spectrum suffer with extreme anxiety, but without obsessive-compulsive behavior, while in others the OCD is severe. Even though PANDAS remains a controversial topic in medicine it is reported that PANDAS can cause or exacerbate Tics, Tourettes, and Obsessive-Compulsive Disorder. Approximately, 25% of individuals who have one or more of these conditions have what appears to be PANDAS.

Treatment options are limited, although certain biomedical autism treatments such as low dose naltrexone, dietary intervention such as the gluten and casein-free diet, and various supplements that support normal immune function such as Transfer Factor can be helpful in reducing the overall reactivity of the immune system, PANDAS remains a difficult condition to treat.

Antibiotic therapy has worked for some. I have seen clinically where a short course of antibiotics, such as 10 to 14 days of Keflex, Penicillin or Zithromax definitely helps, particularly with the OCD behaviors. Often times a prolonged course of weekly oral Zithromax has been helpful as suppressing the symptoms of PANDAS. In other situations more advanced biomedical therapies such as intravenous immunoglobulins (IVIG) are needed to short-circuit the autoimmune response. Plasmapheresis, which is a blood cleansing process performed to help diminish the immune-toxin reactions, has shown benefit for some individuals as well. Unfortunately, no treatment is 100% effective for everyone, and some people remain symptomatic even after medical intervention. Great Plains Laboratory – www.greatplainslaboratory.com carries a Streptococcal Panel which highlights immune reactions to strep. If positive this can then be correlated with behavioral and physical manifestations related to PANDAS to see if a treatment trial is indicated.

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"My son Dillon has been on MB-12 for over 1 year. We have really noticed increased verbal skills, including clearer pronunciation of words, more words in his vocabulary, and using longer and more complete sentences. It has helped him to focus better, and we are putting him into a mainstream classroom this year with an aide to assist him if needed. We are very excited with his progress!"
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