A swallowable capsule (10) is provided with a drug reservoir (18) and at least one sensor (13). The drug reservoir (18) is arranged to hold a pharmaceutical composite. A wall (12) of the drug reservoir (18) comprises at least one opening for allowing fluid from the surroundings of the capsule (10) to enter the drug reservoir (18) and for allowing dissolved drug or liberated particles of the pharmaceutical composite to enter the surroundings of the capsule (10). The at least one sensor (13) is provided for monitoring a condition of the surroundings of the capsule (10).
