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Patient Controlled Analgesia
 
 
 


 
PCA stands for patient controlled analgesia. Analgesia simply means relief of pain. After your operation or injury, your doctor may prescribe PCA for pain control.

How does the PCA machine work?
The machine contains a syringe of pain medication as prescribed by your doctor. The syringe is attached to tubing and connected directly to your intravenous (IV) line. Often the machine is set to deliver a small, constant flow of pain medication. When you fell pain or discomfort, you should firmly press the button on your machine and it will give you additional medication. You should hear a soft "beep" when the button is pressed properly. You will generally feel the effect of the medication within five minutes. Your machine has several safety features and an alarm system. The machine is set up as prescribed by your doctor and will give only small, measured amounts. The total amount you can give yourself each hour is within a safe limit.

How often should I press the button?
Press the button when you are having pain! A small amount of pain medication will be released into your bloodstream. Don't press the button if you are feeling too sleepy. The more alert you feel, the better you are able to participate in your therapy program, which will aid and may quicken your recovery.

How is PCA different from "hypos?"
The nurse must prepare a "hypo," which is a shot given into a muscle. It usually takes about half an hour to feel the pain relieving effects of the medication because it is absorbed more slowly into the bloodstream. Often you will become quite sleepy, but after a few hours awaken with pain. Remember, with PCA you usually receive a small continuous flow of medication, and also may give medication yourself to provide a more constant level of comfort. This is the reason your doctor often prescribes PCA for the first few days following your surgery or injury, when you feel the most discomfort.

Can I become addicted?
No! Studies have shown that patients using PCA often use less medication during their hospital stay. Usually you use the machine for only a few days, and them oral medication is enough to relieve your pain.

Are there any side effects?
As there is with any medication, you may feel some side effects. A small number of people feel nauseated, have some itchiness, or have difficulty passing urine. If any of these symptoms occur, you should notify your nurse.

We think you will like using patient controlled analgesia. It lets YOU control your pain. After all, you know best how you feel, and PCA allows you to give your own medicine and get relief in a faster, less painful way.


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