what causes loss of appetite/rapid weight loss, low glucose, extreme low potassium that is not fully corrected even by daily dose of 50 MEQ, extreme fatique, cognitive difficulties (confusion, memory problems), and hard, painless swollen lymph nodes in the groin and near-chest region? Thyroid condition, diabetes, malnutrition, blood cancers, and medications have been ruled out.
Hi and welcome to the forum! I am glad that I can help you.
You want to know the cause of the symptoms that you experience.
Rapid weight loss may appear in one of the following medical conditions: hyperthyroidism, diabetes melitus, glucagonoma or insulinoma (types of pancreatic cancers), or other cancers.
According to the data that you described, you may or may not experience any of the medical conditions listed above. See an endocrinologist to exclude possible glucagonoma or insulinoma. You may need to have a chest x-ray to exclude possible cancer in the chest.
Please keep in mind that I provide medical information only. I am not able to diagnose medical conditions online. Please contact your doctor or other qualified healthcare provider such as an endocrinologist for further advice and information about diagnosis and treatment options.
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