How Much Acetaminophen Is in Tylenol 3?


Tylenol 3 is a combination of Tylenol and codeine. Tylenol is a brand name for acetaminophen. Codeine is representative of codeine phosphate. When the drugs are put together they are very effective in helping ease severe pain. Tylenol 3 is a narcotic that is only available through a doctor’s prescription.


There are 300 mg of acetaminophen in Tylenol 3. In comparison, a regular strength Tylenol has 325 mg of acetaminophen and an extra strength Tylenol has 500 mg. The other active ingredient in Tylenol 3 is 30 mg of codeine. Tylenol 3 has the same inactive ingredients as the over-the-counter Tylenol: modified and pregelatinized corn starch; powdered cellulose; sodium metabisulfite; and magnesium stearate.


Tylenol 3 is available in pill form. The tablets are made from a crystalline powder which is white and odorless, though it has a slightly bitter taste if not swallowed whole. The same dosage of acetaminophen and codeine is available without the Tylenol brand name as a generic drug which usually costs less.

Side Effects

The most common side effects of Tylenol 3 are drowsiness and dizziness so it should not be used when driving or operating machinery. Nausea, vomiting and shortness of breath are also possible. Allergic reaction may occur, especially in those with sulfite sensitivity. Signs of allergy include asthma and anaphylactic reactions. If you are taking Tylenol 3 and have difficulty breathing, seek medical attention immediately.

Other Options

The acetaminophen and codeine combination is also available in Tylenol 4. Tylenol 4 contains the same 300 mg of acetaminophen. The difference is that Tylenol 4 has twice as much codeine in each pill than Tylenol 3 does. Ortho-McNeil, the makers of Tylenol, no longer produce Tylenol 2 (which has only 15 mg of Codeine), but the same combination of acetaminophen and codeine can be found in generic.


Tylenol 3 is can be habit-forming and should be taken as directed under the care of a health professional. It should be used cautiously in those with impairment of hepatic or renal function, when head injuries are present or in anyone with prostatic hypertrophy or Addison’s disease. It may also enhance the effect of alcohol, tranquilizers, CNS depressants and anesthetics.

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