Drugs A - Z

Acetaminophen Solution for injection

It is used to treat pain and fever

Generic Name: Ofirmev

What is this medicine?

ACETAMINOPHEN (a set a MEE noe fen) is a pain reliever. It is used to treat pain and fever.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • if you often drink alcohol
  • liver disease
  • an unusual or allergic reaction to acetaminophen, other medicines, foods, dyes or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

This medicine is for injection into a vein. It is given by a health care professional in a hospital or clinic setting.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 2 years old for selected conditions, precautions do apply.

Overdosage: If you think you've taken too much of this medicine contact a poison control center or emergency room at once.

What if I miss a dose?

This does not apply.

What may interact with this medicine?

  • alcohol
  • certain medicines that treat or prevent blood clots like warfarin
  • imatinib
  • isoniazid
  • other medicines with acetaminophen

What should I watch for while using this medicine?

Tell your doctor or healthcare professional if your symptoms do not start to get better or if they get worse.

Do not take other medicines that contain acetaminophen with this medicine. Too much acetaminophen can be very dangerous and cause an overdose. Always read labels carefully.

Report any possible overdose to your doctor right away, even if there are no symptoms. The effects of extra doses may not be seen for many days.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:
  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
  • breathing problems
  • fever or chills, sore throat
  • general ill feeling or flu-like symptoms
    • loss of appetite, nausea
    • redness, blistering, peeling or loosening of the skin, including inside the mouth
    • trouble passing urine or change in the amount of urine
    • unusual bleeding or bruising
    • unusually weak or tired
    • yellowing of the eyes or skin

    Side effects that usually do not require medical attention (Report these to your doctor or health care professional if they continue or are bothersome.):

    • constipation
    • headache
    • insomnia
    • nausea, vomiting

    Where should I keep my medicine?

    This drug is given in a hospital or clinic and will not be stored at home.

    Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.


Last Updated: August 02, 2013
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