You are suffering from hyperhidrosis, a condition in which one tends to sweat a lot. In your case, your hands have excessive sweating
. In some
cases, the sweating is so profuse that the patient are unable to even write without spoiling the paper they are writing on. You consult some skin
specialist who can advise you the requisite treatment which may vary from using local antiperspirant to a procedure called iontophoresis
. One can use injections of botulinum or anticholinergic drugs depending upon the severity. In some cases who are resistant to the medical treatment may require surgical procedure.