To compare the efficacy of tap water iontophoresis versus Aluminum Chloride hexahydrate in the treatment of palmar and plantar excessive sweating

INTERVENTION: Group A patients are treated with tape water iontophoresis(TWI). In which electrical current is passed through skin in tape water(10‐20 mA). Palms and soles are kept for 10 minutes in tape water iontophoresis device by dermatologist in dermatology department at PNS shifa hospital Karachi, three times a week, for 4 weeks. Results will be assessed by the hyperhidrosis disease severity index(HDSS), improvement of sweating on a scale of 1 to 4. CONDITION: Palmoplantar Hyperhidrosis; ; Palmoplantar Hyperhidrosis Skin ‐ Dermatological conditions PRIMARY OUTCOME: Hyperhidrosis severity scale (HDSS); 1. My sweating is never noticeable and never interferes with my daily activities; 2. My sweating is tolerable but sometimes interferes with my daily activities; 3, My sweating is barely tolerable and frequently interferes with my daily activities; 4. My sweating is intolerable and always interferes with my daily activities.[Assessed weekly from baseline to 4 weeks after the start of treatment date, with 4 weeks after the start of treatment date being the primary time point.] SECONDARY OUTCOME: Nil[Nil] INCLUSION CRITERIA: All hyperhidrosis patients of at least 2 months duration with Hyperhidrosis severity scale (HDSS) of 2,3 or 4 at baseline.