Method for at least ameliorating the symptoms of fibrotic tissues, scars, cording or myofascial pain, comprising obtaining a preferably both electrically powered and portable treatment apparatus capable of contacting, via a treatment head, a target area on the skin of a patient and introducing low-pressure suction thereto, configuring the treatment apparatus so as to introduce predefined, advantageously, pulsating pressure variation to a suction opening arranged at the treatment head, and applying the suction opening of the treatment head on the target area while the treatment apparatus is on and providing the suction effect corresponding to the configuration.