Those with liver disease must be aware that the three most common pain relievers could be hazardous to a compromised liver – even at a reasonable dosage.
Editor’s Note: The information below is for educational purposes only and is not intended to replace, supersede or substitute medical advice.
Whether it is for the flu, a headache, menstrual pain, muscle ache or any other type of discomfort, just about everyone has times when they seek pain relief. Over-the-counter staples for this purpose usually fall into one of three categories: acetaminophen, ibuprofen or aspirin. Unfortunate for those with chronic liver disease, all three of these medicines can be harmful to the liver. Because different doctors will favor different types of painkillers, it can be very confusing for someone with liver concerns to know what his or her best choice is. The preferred painkiller – and dosage – will vary depending on each individual, but understanding why each of these medications may be hazardous can help people make informed decisions.
As a general rule, the more advanced a person’s liver disease is, the greater caution is warranted when considering pain relief medications. Similar to how the food we eat and the beverages we drink must be processed by the liver, so too do most medications. By recognizing that drugs exert some degree of strain on the liver, it is easy to see why a severely damaged liver would have a harder time metabolizing medications. In addition, conditions that often result from liver disease make certain drugs particularly hazardous.
Occasional, restricted use of the over-the-counter painkillers listed below may be safe for those with chronic liver disease. However, since each individual is likely to have a different presentation of liver disease – a person must work with a physician in choosing the drug that is least likely to adversely affect his or her liver.
Known commonly as Tylenol, acetaminophen is a common, mild to moderate pain reliever. As published in a 2005 edition of the journal Hepatology, U.S. researchers found that over a six-year time span, more than 40 percent of acute liver failure cases were caused by an acetaminophen overdose. High doses of acetaminophen can cause liver injury, even to a healthy liver, so those with fewer functioning liver cells have an even greater risk of harm. In limited dosages, a physician will generally only suggest acetaminophen to someone whose hepatic metabolism is fully functioning.
Unfortunately, overdosing on acetaminophen is much easier than it should be because this ingredient is found in many types of pain-relieving drugs. Acetaminophen is also in several narcotic painkillers like Tylenol with Codeine, Oxycet Vicodin, Lortab and Percocet. Abbreviated on labels as APAP, acetaminophen is also in Anacin 3, Nyquil and thousands of other medicines used to treat headaches, fever and sore throats. If given an okay to take acetaminophen by a physician, make certain to avoid taking more than one acetaminophen-containing drug at a time. Those with liver disease are often advised to restrict the daily amount of acetaminophen to 2,000 mg per day, or even less if severe liver disease is present.
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http://www.npr.org/blogs/health/2011/01/13/132903273/fda-clamps-down-on-acetaminophen-in-prescription-drugs, FDA Clamps Down On Acetaminophen In Prescription Drugs, Scott Hensley, Retrieved February 26, 2012, NPR, 2012.
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