Patient controlled Analgesia or “PCA” as it is commonly known is a convenient way that you the patient can control your own Pain relief. The PCA is a pump containing a solution of dilute morphine or a morphine like drug which is connected to your drip. You will be instructed on how to press the button which activates the pump.
This button press will release a small amount of painkiller from the syringe and provide you with pain relief. The pump has many safety features which ensure that overdosing does not take place.