الفهرس 
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Abstract
Hyperhidrosis is defined as excessive sweating beyond what is physiologically required for the body to thermoregulate. Excessive sweating can lead to significant impairment in the affected individual’s social life, mental health, and work or study life. The excessive sweating most commonly involves the hands or a combination of the hands and feet. Facial sweating can occur as a relatively isolated phenomenon, and occasional patients experience excessive sweating over the trunks. Axilla is commonly involved as well. The armamentarium for management of primary axillary hyperhidrosis is still in a great need for evidence-based management. The management of primary axillary hyperhidrosis includes systemic oral drug medications (oral anticholinergic drugs), topical therapies like antiperspirants, astringents, antiperspirants and fragrances. Nonetheless, they usually have temporary effects with a variety of side effects such as itching & burning sensations or skin rashes. Also sweat reduction devices like microwave thermolysis, fractional microneedle radiofrequency and ultrasound therapy can play a role in management of axillary hyperhidrosis. Another alternative that is being used as a standard therapy is the intradermal injection of Botulinum toxin type A, which efficiently suppresses sweat secretion at the level of presynaptic cholinergic neurons. Surgical treatment is used when conservative treatments have failed. Local surgical techniques for axillary hyperhidrosis include excision, curettage, liposuction, and a combination of these techniques. Over the years, various laser modalities have been utilized with varying degrees of effectiveness in the management of primary axillary hyperhidrosis. Subdermal laser treatment of axillary hyperhidrosis is a relatively new technique the development of which was associated with the development of laser lipolysis and laser assisted liposuction. The aim and the purpose of this study is to evaluate the efficacy and the safety of the recent diode laser 1470 nm in treatment of patients with axillary hyperhidrosis and compare the outcome results with diode laser 980 nm as a comparative study. In this study we used diode lasers for treatment of primary axillary hyperhidrosis. Diode laser 980 nm is known by its penetration depth of 5 - 6 mm, so it penetrates more in the skin layers during treatment causing much more heat to surrounding tissues with possibility of skin injury and burn. However, Diode laser 1470 nm has a penetration depth of 1 - 2 mm, so it caused less damage and less injury to the skin during treatment. In Addition, the affinity of Diode laser 1470 nm to water makes it much more specific to sweat glands of the axilla. So, we believe that the management of primary axillary hyperhidrosis using Diode laser 1470 nm is much safer with better and fast recovery periods by the patients than diodes laser 980 nm.