You will have been prescribed nabilone to prevent (or treat) feelings of sickness caused by your anticancer medicines. It is not clear how the medicine works, but it can be helpful even if other anti-sickness medicines have not been effective. It is usually prescribed by a hospital doctor. It is a man-made cannabinoid. This means that it has effects on your body similar to extracts from the cannabis plant.
This is a companion discussion topic for the original article at https://patient.info/medicine/nabilone-capsules