There are two different types of hyperhidrosis or excessive sweating.

First type: Primary hyperhidrosis (unknown cause)
This is a more common condition compared to secondary hyperhidrosis and appears, generally on the hands, feet, armpits or a combination of those. It usually starts during childhood or adolescence and persists all your life (LIFELONG). For hyperhidrosis victims who believe or dream that it will magically disappear when you wake up one day, Im sorry to say that it is impossible. Types of primary hyperhidrosis are palmar, plantar , facial and axillary.

Palmar Hyperhidrosis
Palmar hyperhidrosis is the excessive sweating of the hands. This condition is said to bring great social impacts as our hands are much more exposed in social and professional activities than any other part of our body.

Impact
The degree of sweating varies and may range from tolerable moisture to dripping wet. Most people with palmar hyperhidrosis will show unwillingness to:
-shake hands
-do paper work
-touch/fix electrical or electronic components
-participate in social events

Plantar Hyperhidrosis
Excessive sweating of the feet. The social impact it brings might not be as huge as palmar sweating but can be very bothersome to some. Foot sweating can exist alone or together with palmar hyperhidrosis too.

Impact
Reluctance to wear sandals
Leaving wet and dirty marks on the floor (guest’s floor is the worst case)
Bad and smelly feet/socks odor
Tendency to get skin/microbial infection on the feet (might spread to other area)
Possibility of slipping from the staircase

Facial Hyperhidrosis
Excessive sweat pouring down from the forehead. The person might think that others consider him/her nervous or insecure.

Impact
Gives bad first impression to interviewers. The person might be seen as not capable of handling stressful situations.

Axillary Hyperhidrosis
Excessive sweating of the armpits. Patients with axillary hyperhidrosis usually complain of constant streams of wetness running down their sides.

Impact
Wets and ruins clothing
Causes social embarrassment with wet clothings
May have microbial infections

Other locations of hyperhidrosis
Excessive sweating can also present at the trunk or the thighs

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Second type: Secondary hyperhidrosis
Secondary hyperhidrosis (with known cause) may be part of an underlying medical condition such as:
-Hyperthyroidism
-Malignant disease
-Severe psychiatric disorders
-Obesity
-Menopause
-Side effects from other medical treatements