What causes excessive sweating?

Hyperthyroidism: The common explanation for excessive sweating is that some people are just born that way. An over active thyroid can also cause, as can an undiscovered infection. A doctor is the best person to evaluate this condition and to provide a medication if necessary.

Hyperhidrosis: When excessive sweating affects the hands, feet, and armpits, it's called primary or focal hyperhidrosis. Primary hyperhidrosis affects 2 - 3% of the population, yet less than 40% of patients with this condition seek medical advice. In the majority of primary hyperhidrosis cases, no cause can be found. It seems to run in families. It can also occur from medical condition. See your doctor for a dx.