What causes general weakness, stuffy nose and wheezing? 3 possible conditions

See a list of possible causes in order from the most common to the least.


Flu Overview

Learn about flu causes, symptoms and treatments.

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Sarcoidosis is an inflammatory disease that causes granulomas, which are clumps of immune cells, to form in different organs. A skin rash is one symptom of sarcoidosis of the skin.

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Absence of Gamma Globulin in Blood

Agammaglobulinemia (AGMX) is an inherited immune system disorder. Passed from parent to child, it is also known as Bruton’s agammaglobulinemia, congenital agammaglobulinemia, and X-linked agammaglobulinemia. AGM...

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.
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