Weaning off Your Pain Medicine
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After surgery, you may be taking opioid medicine to help you with pain. Opioid medicines are a stronger pain medicine that your doctor gives you a prescription for.
Your pain should improve slowly over time. As your pain gets better, you will need to wean off your opioid pain medicine. This means slowly reducing the amount you take until you are not taking it anymore. Opioids are not like over-the-counter pain medicines, such as aspirin or Tylenol. Opioids can be addictive, which is why it is important to stop taking them slowly.
If you are not sure how to wean off your opioid medicine, talk to your family doctor. You can also talk to the doctor who prescribed the opioid medicine for you.
HOW DO I WEAN OFF?
Do not stop taking the opioid pain medicine right away. You should slowly reduce the amount you are taking until you are off the pain medicine.
You may be taking 2 kinds of medicine:
• A long acting (sustained release) pain medicine such as Hydromorph Contin®, OxyNEO®, or MS Contin®
• A short acting (immediate release) pain medicine such as oxycodone, hydromorphone, morphine, or codeine
Wean off the long acting medicine first. Then wean off the short acting medicine.
If you are taking Percocet® (which contains 5 mg of oxycodone and 325 mg of Tylenol® in each tablet), limit the total amount of Tylenol® you take. Ask your family doctor or pharmacist to help you with this.
HOW CAN I CONTROL THE PAIN?
As you slowly reduce the opioids, you can use other medicines to help you control your pain. While you were in hospital, these medicines may have been ordered for you. Some examples are:
• Drugs that prevent swelling like Ibuprofen (Advil®), Celecoxib (Celebrex®) or Meloxicam (Mobicox®). These drugs are called nonsteroidal anti-inflammatory drugs (NSAIDS). NSAIDS also have daily limits on the amount you can safely take. Talk to your doctor or pharmacist or follow the instructions on the bottle.
• Acetaminophen (Tylenol®) Taking too much Tylenol®may damage your liver. If you already have a problem with your liver, talk to your doctor. The total daily amount of Tylenol® you can safely take will need to be reduced.
Once you are off the opioids, you can wean off the other pain medicine. You can wean off your other pain medicines more quickly, until you are not taking any more pain medicine.
HOW SLOWLY SHOULD I WEAN OFF?
There is a Canadian guideline for using opioids safely.
If you have been taking this medicine for less than 1 month after surgery:
• Slowly wean off the pain medicine.
• Here are some examples of how you could slowly reduce your medicine:
To wean off LONG ACTING pain medicine
Slowly reduce the dose you are taking. For example, you may take 1 less dose of the medicine every day. Do this over several days.
Your family doctor can help you cut down on the medicine. For example, if you are taking this medicine:
• 3 times a day, reduce to 2 times a day for 4 to 5 days
• 2 times a day, reduce to 1 time a day for 4 to 5 days
• 1 time a day, try stopping
Never cut, chew or crush this kind of medicine.
To wean off SHORT ACTING pain medicine
1. When you start weaning off the medicine, increase the amount of time between doses. For example, if you are taking a dose every 4 hours, extend that time:
• Take a dose every 5 to 6 hours for 1 or 2 days.
• Then, take a dose every 7 to 8 hours for 1 or 2 days.
2. After step 1, start to reduce the dose. For example:
• If you are taking 2 pills each time, start taking 1 pill each time. Do this for 1 to 2 days.
• If you are taking 1 pill each time, cut the pill in half and take only half a pill each time. Do this for 1 to 2 days.
You may need to wean off opioid pain medicine faster than the above examples if:
• The medicine is too strong for you (you feel sleepy)
• You have sleep apnea (you have short but repeated stops in your breathing during sleep)
If you have been taking this medicine for more than 1 month:
• Wean off the medicine more slowly than the examples described. Your doctor can help you with this weaning process.
• Speak with your family doctor or the doctor who orders your pain medicine.
WHAT HAPPENS IF I STOP SUDDENLY?
If you stop your opioid medicine suddenly, you may have symptoms of withdrawal. These can be:
Physical symptoms like:
• Sweating
• Fever
• Shaking
• Nausea (wanting to throw up)
• Vomiting (throwing up)
• Diarrhea
• More pain
Other symptoms like:
• Cravings
• Feeling tired and having trouble sleeping
• Anxiety (worried all the time)
• Feeling agitated or irritable (grouchy)
• Aggression (feeling angry towards people)
These symptoms may start from 6 to 24 hours after taking your last dose of opioid pain medicine.
You can wait for the symptoms to pass over the next day or two. Or, you can speak with your family doctor or pharmacist. They can give you medicine to help control your symptoms of withdrawal.
Withdrawal symptoms are not a sign that you are addicted. They are a sign that your body is used to taking the opioid regularly and needs to wean off it slowly.
Opioid medicines are not usually addictive if you take them for pain. But, they can lead to addiction if you do not manage them carefully. So, it is important to wean yourself off these medicines as soon as possible.
To prevent addiction, you may need to stop taking the opioid medicine and accept a moderate amount of pain.
If you have trouble reducing your pain medicines, please contact your family doctor, surgeon, the doctor who prescribed the medicine or nurse practitioner for help.
• Do not drink alcohol while using opioid pain medicines.
• Do not use sleeping pills or sedatives without talking to your doctor first.