Type of medicine: analgesic (painkiller)
Generic and brand names: acetaminophen, injection; Ofirmev
This medicine is given by injection (shot) to relieve pain and reduce fever.
Before taking this medicine, tell your healthcare provider if you have ever had:
Many prescription and nonprescription medicines for pain, headache, and sinus congestion contain acetaminophen. To avoid the risk of an overdose, tell your provider about all of the other medicines you take. This includes nonprescription products.
Females of childbearing age: Tell your healthcare provider if you are pregnant or plan to become pregnant. It is not known whether this medicine will harm an unborn baby. Do not breast-feed while taking this medicine without your healthcare provider's approval.
This medicine is given by a healthcare provider.
This medicine may cause severe liver damage if:
Alcohol may increase the chance that this medicine may damage the liver. Do not drink alcohol while receiving this medicine. Ask your healthcare provider about this.
If you need emergency care, surgery, or dental work, tell the healthcare provider or dentist you are taking this medicine.
Along with its needed effects, your medicine may cause some unwanted side effects. Some side effects may be very serious. Some side effects may go away as your body adjusts to the medicine. Tell your healthcare provider if you have any side effects that continue or get worse.
Life-threatening (Report these to your healthcare provider right away. If you cannot reach your healthcare provider right away, get emergency medical care or call 911 for help): Allergic reaction (hives; itching; rash; trouble breathing; tightness in your chest; swelling of your lips, tongue, and throat).
Serious (report these to your healthcare provider right away): Yellowish eyes or skin, dark urine, light-colored bowel movements, severe stomach pain, unusual tiredness or weakness, loss of appetite, swelling in the arms or legs, unexplained fever; trouble breathing.
Other: Trouble sleeping; nausea; vomiting; headache; constipation; mild itching; pain, redness, or swelling at the injection site; anxiety.
When you take this medicine with other medicines, it can change the way this or any of the other medicines work. Nonprescription medicines, vitamins, natural remedies, and certain foods may also interact. Using these products together might cause harmful side effects. Talk to your healthcare provider if you are taking:
If you are not sure if your medicines might interact, ask your pharmacist or healthcare provider. Keep a list of all your medicines with you. List all the prescription medicines, nonprescription medicines, supplements, natural remedies, and vitamins that you take. Be sure that you tell all healthcare providers who treat you about all the products you are taking.
This advisory includes selected information only and may not include all side effects of this medicine or interactions with other medicines. Ask your healthcare provider or pharmacist for more information or if you have any questions.
Ask your pharmacist for the best way to dispose of outdated medicine or medicine you have not used. Do not throw medicine in the trash.
Keep all medicines out of the reach of children.
Do not share medicines with other people.