Can be many things: Why a person, who was ok before, would start to sweat a lot and get dizzy, has many possibilities. It could be anemia, low blood pressure, being out of shape, having had a heart attack (sometimes people have a heart attack but don't know it), heart failure, thyroid imbalances, lung disease, various cancers, effects of medications, etc... It means a visit to one's doctor to check for disorders.
Answered 7/19/2014
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A doctor has provided 1 answer
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