A method of using a vibrating gastrointestinal capsule in coordination with an ingestible medicament for treatment of Parkinsonism. The vibrating gastrointestinal capsule, is provided to the subject, and includes: a housing; a vibrating agitation mechanism causing said housing to exert vibrations on an environment surrounding the vibrating gastrointestinal capsule; a power supply for powering said vibrating agitation mechanism; and a control mechanism for activating said vibrating agitation mechanism to operate in said vibration mode of operation. The subject ingests the ingestible medicament and the vibrating gastrointestinal capsule. At least one of a time of ingesting of the vibrating gastrointestinal capsule and a timing or activation delay of the vibration mode of operation is controlled, such that the vibration mode of operation at least partially transpires or completely transpires within an actual or estimated absorption time period of the ingestible medicament within the gastrointestinal tract of the subject.