Analgesic and acetaminophen

Narcotic analgesics and acetaminophen Advanced Patient Information

May 23, 2014 – 07:57 am

Acetaminophen 325 mg tablets (Analgesic) |

Class Name: narcotic analgesics and acetaminophen (Oral route)

Commonly used brand name(s):

In the U.S.

  • APAP w/Codeine
  • Capital w/Codeine
  • Darvocet A500
  • Darvocet-N 100
  • Darvocet-N 50
  • Endocet
  • Lorcet
  • Lortab
  • Panlor-DC
  • Panlor-SS
  • Percocet
  • Pyregesic-C
  • Roxicet
  • Vicodin
  • Zerlor

Available Dosage Forms:

  • Tablet
  • Solution
  • Elixir
  • Capsule
  • Liquid
  • Syrup
  • Suspension

Uses For This Medicine

Combination medicines containing narcotic analgesics and acetaminophen are used to relieve pain. A narcotic analgesic and acetaminophen used together may provide better pain relief than either medicine used alone. In some cases, relief of pain may come at lower doses of each medicine.

Narcotic analgesics act in the central nervous system (CNS) to relieve pain. Many of their side effects are also caused by actions in the CNS. When narcotics are used for a long time, your body may get used to them so that larger amounts are needed to relieve pain. This is called tolerance to the medicine. Also, when narcotics are used for a long time or in large doses, they may become habit-forming (causing mental or physical dependence). Physical dependence may lead to withdrawal symptoms when you stop taking the medicine.

Acetaminophen does not become habit-forming when taken for a long time or in large doses, but it may cause other unwanted effects, including liver damage, if too much is taken.

These medicines are available only with your doctor's prescription. In Canada, some acetaminophen, codeine, and caffeine combinations are available without a prescription.

Before Using This Medicine


Tell your doctor if you have ever had any unusual or allergic reaction to medicines in this group or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.


Breathing problems may be especially likely to occur when narcotic analgesics are given to children younger than 2 years of age. These children are usually more sensitive than adults to the effects of narcotic analgesics. Also, unusual excitement or restlessness may be more likely to occur in children receiving these medicines.

Acetaminophen has been tested in children and has not been shown to cause different side effects or problems in children than it does in adults.


Elderly people are especially sensitive to the effects of narcotic analgesics. This may increase the chance of side effects, especially breathing problems, during treatment.

Acetaminophen has been tested and has not been shown to cause different side effects or problems in older people than it does in younger adults.


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