Tylenol sells products to relieve pain, allergies, and cold- and flu- related symptoms. Allergy and cold products also contain dextromethorphan, antihistamines, and expectorants.[citation needed]
Tylenol is also sold as a class of stronger pain relievers containing codeine, known as co-codamols:
Tylenol 1 contains 325 mg acetaminophen and 8 mg codeine;
Tylenol 2 (300 mg/15 mg),
Tylenol 3 (300 mg/30 mg), and
Tylenol 4 (300 mg/60 mg).
In Canada, Tylenol 1, 2 and 3 all include 15 mg caffeine, in addition to the above ingredients; furthermore, Tylenol 1 is sold in Canada without a prescription, while all forms of Tylenol with codeine require a prescription in the US.[citation needed]
Acetaminophen is also found in other narcotic-based analgesics such as Percocet which additionally contains oxycodone, and Lortab/Vicodin which both additionally contain hydrocodone.[citation needed]
Tylenol PM[edit]
Tylenol PM is the trademark for a mixture of acetaminophen (paracetamol) and diphenhydramine, distributed by Johnson & Johnson. It is marketed as a combined analgesic and sedative. It is listed as non-habit forming.[15] Diphenhydramine is an anticholinergic used as the active ingredient in Benadryl, for its antihistamine properties, and Benylin, which is used in cough and cold therapy as an antitussive (anti-cough) medication.