Electrical stimulation apparatus, comprising - at least one generator of electrical pulses, which pulses are arranged in sequences having predetermined values of typical parameters, said typical parameters comprising amplitude, duration and frequency of said pulses; - said generator comprising a plurality of separate stimulation channels, adapted to deliver said sequences to body areas of an organism in a manner independent for each channel; - at least one stimulation electrode for each stimulation channel, each electrode adapted to transmit the stimulation pulses of a corresponding channel; - each electrode being adapted to be applied outside the patient skin at a predetermined region and with a predetermined position relation with respect to the position of the one or more further electrodes associated with each of the further channels of said plurality of channels; - a control unit of said at least one electrical pulse generator, communicating with said at least one electrical pulse generator; - an interface unit for entering setting data and/or commands and for displaying setting data and/or configuration settings of said one or more generators, characterized in that - said electrodes are supported by a self-adhesive flexible support element, which is fastenable in a predetermined position in relation to the anatomy of the human body; - said electrodes being distributed on the extension of said self-adhesive flexible support element according to a predetermined design that is determined by predetermined relations of the space positions of the individual electrodes one with respect to each other; - the at least one pulse generator being connected to the electrodes provided on the flexible support element and being supported also by said flexible support element, - said one or more pulse generators being provided with a communication unit for each of them or shared by at least part of each of them, which communication unit is connected to a communication unit of at least one control unit of said one or more generators, and wherein the self-adhesive flexible support element comprises, in combination with the electrodes mounted thereon, also one or more pockets or blisters housing drugs and adapted to transdermally administer drugs, which pockets or blisters are provided adjacent to the electrodes or in areas interposed between two or more electrodes on the same self-adhesive flexible support element. - at least one generator of electrical pulses, which pulses are arranged in sequences having predetermined values of typical parameters, said typical parameters comprising amplitude, duration and frequency of said pulses; - said generator comprising a plurality of separate stimulation channels, adapted to deliver said sequences to body areas of an organism in a manner independent for each channel; - at least one stimulation electrode for each stimulation channel, each electrode adapted to transmit the stimulation pulses of a corresponding channel; - each electrode being adapted to be applied outside the patient skin at a predetermined region and with a predetermined position relation with respect to the position of the one or more further electrodes associated with each of the further channels of said plurality of channels; - a control unit of said at least one electrical pulse generator, communicating with said at least one electrical pulse generator; - an interface unit for entering setting data and/or commands and for displaying setting data and/or configuration settings of said one or more generators, characterized in that - said electrodes are supported by a self-adhesive flexible support element, which is fastenable in a predetermined position in relation to the anatomy of the human body; - said electrodes being distributed on the extension of said self-adhesive flexible support element according to a predetermined design that is determined by predetermined relations of the space positions of the individual electrodes one with respect to each other; - the at least one pulse generator being connected to the electrodes provided on the flexible support element and being supported also by said flexible support element, - said one or more pulse generators being provided with a communication unit for each of them or shared by at least part of each of them, which communication unit is connected to a communication unit of at least one control unit of said one or more generators, and wherein the self-adhesive flexible support element comprises, in combination with the electrodes mounted thereon, also one or more pockets or blisters housing drugs and adapted to transdermally administer drugs, which pockets or blisters are provided adjacent to the electrodes or in areas interposed between two or more electrodes on the same self-adhesive flexible support element.