Published on: 6/12/2025
Last Update: 7/4/2025
Severe lightheadedness when standing in someone with multiple myeloma can be caused by a condition called orthostatic hypotension, where blood pressure drops significantly upon standing.
Lightheadedness when standing up can be a sign of orthostatic hypotension, especially in someone with multiple myeloma. This condition happens when blood pressure drops too much when a person stands up, which can make them feel dizzy or faint.
If you or someone you know experiences these symptoms, it's important to talk to a healthcare provider for proper evaluation and management.
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