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my palms and feet is always sweating.now as my age progressed it reduced a lot.No doctor ever diagnosed it ,they are telling itsbecauseof nervousness,but iknow its nothing sort of this.please advice

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Hyperhidrosis (excessive sweating) is a medical condition in which a person sweats excessively and unpredictably. People with hyperhidrosis may sweat even when the temperature is cool or when they are at rest.

Sweating helps the body stay cool. In most cases, it is perfectly natural. People sweat more in warm temperatures, when they exercise, or in response to situations that make them nervous, angry, embarrassed, or afraid.

However, excessive sweating occurs without such triggers. Those with hyperhidrosis appear to have overactive sweat glands. The uncontrollable sweating can lead to significant discomfort, both physical and emotional.

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.

If the sweating occurs as a result of another medical condition, it is called secondary hyperhidrosis. The sweating may be all over the body, or it may be in one area. Conditions that cause second hyperhidrosis include:

Acromegaly
Anxiety conditions
Cancer
Carcinoid syndrome
Certain medications and substances of abuse
Glucose control disorders
Heart disease
Hyperthyroidism
Lung disease
Menopause
Parkinson’s disease
Pheochromocytoma
Spinal cord injury
Stroke
Tuberculosis or other infections

Treatments may include:

Antiperspirants. Excessive sweating may be controlled with strong anti-perspirants, which plug the sweat ducts. Products containing 10% to 15% aluminum chloride hexahydrate are the first line of treatment for underarm sweating. Some patients may be be prescribed a product containing a higher dose of aluminum chloride, which is applied nightly onto the affected areas. Antiperspirants can cause skin irritation, and strong doses of aluminum chloride can damage clothing. Note: Deodorants do not prevent sweating, but are helpful in reducing body odor.

Medication. Anticholinergics drugs, such as glycopyrrolate (Robinul, Robinul-Forte), help to prevent the stimulation of sweat glands. Although effective for some patients, these drugs have not been studied as well as other treatments. Side effects include dry mouth, dizziness, and problems with urination. Beta-blockers or benzodiazepines may help reduce stress-related sweating.

Iontophoresis. This FDA-approved procedure uses electricity to temporarily turn off the sweat gland. It is most effective for sweating of the hands and feet. The hands or feet are placed into water, and then a gentle current of electricity is passed through it. The electricity is gradually increased until the patient feels a light tingling sensation. The therapy lasts about 10-20 minutes and requires several sessions. Side effects include skin cracking and blisters, although rare.
Botox. Botulinum toxin type A (Botox) was approved by the FDA in 2004 for the treatment of severe underarm sweating, a condition called primary axillary hyperhidrosis. Small doses of purified botulinum toxin injected into the underarm temporarily block the nerves that stimulate sweating. Side effects include injection-site pain and flu-like symptoms. If you are considering Botox for other areas of excessive sweating talk to your doctor in detail. Botox used for sweating of the palms can cause mild, but temporary weakness and intense pain.

Endoscopic thoracic sympathectomy (ETS). In severe cases, a minimally-invasive surgical procedure called sympathectomy may be recommended. The procedure is usually performed on patients with excessively sweaty palms. It is not as effective on those with excessive armpit sweating. This surgery turns off the signal which tells the body to sweat excessively. ETS surgery is done while the patient is asleep under general anesthesia. The doctor makes two or three tiny cuts under the arm. The patient's lung is collapsed so the surgeon has more room to work. A tiny camera, called an endoscope, is inserted to guide the surgeon to the appropriate nerve. After the nerve associated with the overactive gland is identified, it is removed or destroyed. The lung is restored to normal, and the wound closed with stitches. The identical procedure is done on the other side of the body. The surgery takes about a half hour. Patients usually go home the next day, but may experience pain for about a week. ETS requires special training. Before having this surgery, make sure your doctor is properly trained. Risks include artery damage, nerve damage, and increased sweating. New sweating occurs in about 50% of patients.
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