Drugs >  Acetaminophen
Acetaminophen
Pronunciation
Brand Names
Therapeutic Categories
Reasons not to take this medicine
What is this medicine used for?
How does it work?
How is it best taken?
What do I do if I miss a dose?
What are the precautions when taking this medicine?
What are the common side effects of this medicine?
What should I monitor?
Reasons to call healthcare provider immediately
How should I store this medicine?
General statements

Pronunciation
(a seet a MIN oh fen)

Brand Names
Acephen®[OTC]; Aspirin Free Anacin® Maximum Strength [OTC]; Cetafen®[OTC]; Cetafen Extra®[OTC]; Feverall®[OTC]; Genapap®[OTC]; Genapap® Children [OTC]; Genapap® Extra Strength [OTC]; Genapap® Infant [OTC]; Genebs®[OTC]; Genebs® Extra Strength [OTC]; Infantaire [OTC]; Liquiprin® for Children [OTC]; Mapap®[OTC]; Mapap® Children's [OTC]; Mapap® Extra Strength [OTC]; Mapap® Infants [OTC]; Redutemp®[OTC]; Silapap® Children's [OTC]; Silapap® Infants [OTC]; Tylenol®[OTC]; Tylenol® Arthritis Pain [OTC]; Tylenol® Children's [OTC]; Tylenol® Extra Strength [OTC]; Tylenol® Infants [OTC]; Tylenol® Junior Strength [OTC]; Tylenol® Sore Throat [OTC]; Valorin [OTC]; Valorin Extra [OTC]

Therapeutic Categories
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.
  • If you have G6PD deficiency.

  • What is this medicine used for?
  • This medicine is used to relieve pain and fever.

  • 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.
  • Swallow long-acting products whole. Do not chew, break, or crush.
  • You may sprinkle contents of capsule on soft food or liquid.
  • 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?
  • Many times this medicine is taken on an as needed basis. Do not take more often than every 4 hours, unless instructed by healthcare provider.

  • What are the precautions when taking this medicine?
  • If you are taking a blood thinner, you will require more frequent monitoring.
  • Check medicines with healthcare provider. This medicine may not mix well with other medicines.
  • Avoid or limit alcohol intake (includes wine, beer, and liquor) to less than 3 drinks a day. Drinking too much alcohol may increase the risk of liver disease.

  • What are the common side effects of this medicine?
  • Liver damage can rarely occur.

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

  • Reasons to call healthcare provider immediately
  • If you suspect an overdose, call your local poison control center immediately or dial 911.
  • Signs of a life-threatening reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
  • Significant change in thinking clearly and logically.
  • Severe belly pain.
  • Severe nausea or vomiting.
  • Any rash.
  • No improvement in condition or feeling worse.

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

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