Acetaminophen (By injection)
a-seet-a-MIN-oh-fen
Relieves pain and reduces fever.
Drug classes
Analgesic (About this – PubMed Health)
Uses
Uses of This Medicine
Acetaminophen injection is used together with other medicines (eg, narcotic pain relievers) to relieve moderate to severe pain.
Acetaminophen is used to relieve mild to moderate pain and reduce fever in patients. It does not become habit-forming when taken for a long time. Acetaminophen may cause unwanted effects when taken in large doses, including liver damage.
This medicine is available only with your doctor’s prescription.
Other uses (PubMed Health)
How To Use
Injectable
Your doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein. The medicine will be injected slowly over 15 minutes.
A nurse or other health provider will give you this medicine.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Some medicines and foods can affect how acetaminophen works. Tell your doctor if you are using a blood thinner, such as warfarin.
Do not drink alcohol while you are using this medicine.
When Not To Use
This medicine is not right for everyone. You should not receive this medicine if you had an allergic reaction to acetaminophen, or if you have severe liver disease.
Warnings
Tell your doctor if you are pregnant or breastfeeding, or if you have kidney disease or liver disease. Tell your doctor if you have been addicted alcohol.
This medicine may cause the following problems:
Liver damage Serious skin reactionsCarefully check the labels of all other medicines you are using, because they may also contain acetaminophen. It is not safe to use more than 4 grams (4,000 milligrams) of acetaminophen in 24 hours.
Possible side effects
Summary More details
Call your doctor right away if you notice any of these side effects:
Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Blistering, peeling, or red skin rash
Dark urine or pale stools, nausea, vomiting, loss of appetite, stomach pain, yellow skin or eyes
Pain, itching, burning, swelling, or a lump under your skin where the needle was placed
If you notice other side effects that you think are caused by this medicine, tell your doctor.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
More side effects of this drug
Brand names include
Ofirmev
There may be other brand names for this medicine.