SEMITOTO This excess of sweat happens even if the person is not engaging in tasks that require muscular effort, and it does not depend on the exposure to heat. To diagnose this condition, a dermatologist gives the person a physical exam. Other factors can play a role, including certain foods and drinks, nicotine, caffeine, and smells. Hyperhidrosis can also be classified by onset, either congenital (present at birth) or acquired (beginning later in life). It must be distinguished from secondary hyperhidrosis, which can start at any point in life, but usually presents itself after 25 years of age.|Wo Bleibt Der Humpel-Express?