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Genetic and Rare Diseases Information Center (GARD)

Spinal muscular atrophy

Your Question

Are there any other diseases or conditions that have similar symptoms to SMA, or mimic the symptoms of SMA?

Our Answer

We have identified the following information that we hope you find helpful. If you still have questions, please contact us.

What conditions are part of the differential diagnosis for people with symptoms of spinal muscular atrophy?

The main features of spinal muscular atrophy (SMA) include progressive muscle weakness and poor muscle tone (hypotonia), which may be present in a variety of conditions. (For a more detailed explanation of the signs and symptoms of SMA click here.)  The following conditions are part of the differential diagnosis for people with symptoms of SMA because they share similar features:[1][2] 
Last updated: 3/25/2015

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