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What is it? Overview Usage Side Effects and Warnings

Acetaminophen Overview

Written by FoundHealth, sshowalter.

(a seet a MIN oh fen)

U.S. Brand Names

Acephen™ [OTC]; APAP 500 [OTC]; Apra [OTC] [DSC]; Aspirin Free Anacin® Extra Strength [OTC]; Cetafen® Extra [OTC]; Cetafen® [OTC]; Excedrin® Tension Headache [OTC]; FeverALL® [OTC]; Genapap™ Extra Strength [OTC] [DSC]; Genapap™ Infant [OTC] [DSC]; Genapap™ [OTC] [DSC]; Genebs Extra Strength [OTC]; Genebs [OTC] [DSC]; Infantaire [OTC]; Little Fevers™ [OTC]; Mapap Children's [OTC]; Mapap Extra Strength [OTC]; Mapap Infants [OTC]; Mapap Jr. Strength [OTC]; Mapap [OTC]; Nortemp Children's [OTC]; Pain Eze [OTC]; Silapap Children's [OTC]; Silapap Infant's [OTC]; Tycolene Maximum Strength [OTC]; Tycolene [OTC] [DSC]; Tylenol® 8 Hour [OTC]; Tylenol® Arthritis Pain Extended Relief [OTC]; Tylenol® Children's Meltaways [OTC]; Tylenol® Children's [OTC]; Tylenol® Extra Strength [OTC]; Tylenol® Infant's Concentrated [OTC]; Tylenol® Jr. Meltaways [OTC]; Tylenol® [OTC]; Valorin Extra [OTC]; Valorin [OTC]

Canadian Brand Names

Abenol®; Apo-Acetaminophen®; Atasol®; Novo-Gesic; Pediatrix; Tempra®; Tylenol®

Mexican Brand Names

Adinol; Analphen; Dismifen; Doluvital ; Dolviran; Filanc; Mejoralito Junior; Mejoralito Pediátrico; Nordinet Infantil; Pharmacen-M; Sedalito; Sinedol; Tempra; Tylenol; Tylex; XL-Dol Infantil

Pharmacologic Category

Analgesic, Miscellaneous

Reasons not to take this medicine

• If you have an allergy to acetaminophen or any other part of this medicine.

• Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other symptoms involved.

How does it work?

• Acetaminophen blocks production and release of chemicals that cause pain.

• It reduces fever by adjusting the body's thermostat in the brain.

How is it best taken?

• Do not take more than prescribed amount. Liver damage can occur.

• Take this medicine with or without food. Take with food if it causes an upset stomach.

• Eat regularly. May decrease risk of liver damage.

• Long-acting products: Swallow whole. Do not chew, break, or crush.

• You may sprinkle contents of capsule on soft food or liquid. Do not chew.

• A liquid (elixir, suspension, solution, syrup) is available if you cannot swallow pills. Shake suspension well before use.

• Those who have feeding tubes can also use the liquid. Flush the feeding tube before and after medicine is given.

• Use suppository rectally.

What do I do if I miss a dose? (does not apply to patients in the hospital)

• Many times this medicine is taken on an as needed basis.

What should I monitor?

• Change in condition being treated. Is it better, worse, or about the same?

• If you are taking a blood thinner, check blood work (prothrombin time/INR). Talk with healthcare provider.

How should I store this medicine?

• Store at room temperature.

• Protect capsules and tablets from moisture. Do not store in a bathroom or kitchen.

• Do not freeze suppositories.

General statements

• If you have a life-threatening allergy, wear allergy identification at all times.

• Do not share your medicine with others and do not take anyone else's medicine.

• Keep all medicine out of the reach of children and pets.

• Most medicines can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.

• Keep a list of all your medicines (prescription, natural products, supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, nurse practitioner, pharmacist, physician assistant).

• Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.

• Talk with healthcare provider before starting any new medicine, including over-the-counter, natural products, or vitamins.

Created: 2005-04-07 16:14:51.0

Modified: 2010-03-09 08:27:55.0

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1 Comment

Posted 12 years ago

No mention of acetaminophen immunosuppression?

0 0
sshowalter 12 years ago

Hi Heather, thanks for the comment! Is there something specific you think we've left out? I'd love to include it. You can write back here or email me, FoundHealth's Community Manager, at

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