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Acetaminophen (Intravenous)

Generic name: acetaminophen [ A-sweet-a MIN-oh fen [ a-seet-a-MIN-oh fen

Classification of drugs: Miscellaneous analgesics

What is Acetaminophen (Intravenous)?

Acetaminophen injections can be used with other drugs (e.g. opioid pain relief drugs) to treat moderate to severe pain. Acetaminophen is used to treat moderate to moderate discomfort and decrease the fever of patients. It doesn't become a habit when taken over a long period. Acetaminophen could cause adverse negative effects when used in large doses, which could result in liver damage.


Acute warnings when using acetaminophen

It is crucial to have your doctor examine you carefully while either you or your kid is receiving this medication. This will allow your physician to determine if the medication is working as it should and decide if you are eligible to receive the medication. Talk to your doctor immediately if you or your child experience tenderness or pain in the upper abdomen, faint stool, dark urine vomiting, nausea, and fatigue, or unusual weakness or eyes that are yellow or skin. These are signs of a more serious liver condition.

This medication could trigger severe allergic reactions, such as anaphylaxis. Anaphylaxis could be life-threatening and requires immediate medical treatment. Contact your physician immediately if the child or you has an itchy, rash and hoarseness. You may also experience trouble breathing, difficulty swallowing, or any swelling in your hands, face, or mouth after receiving the medication.

Serious skin reactions can happen when taking this medication. Talk to your doctor immediately if you notice peeling, blistering, or loose skin. You may also experience red lesions or severe acne irritation, sores or ulcers on your skin, or chills or fever while the child or you are receiving this medication.

Before you Take this Drug

When deciding whether to take any medicine, the dangers of using the medication must be considered against the benefits it can do. It is a choice you and your physician will take. To determine the appropriate medicine it is important to take the following into assessment:


Inform your doctor if you have experienced any abnormal or allergic reaction to this medication or any other medications. Inform your health care doctor if you are suffering from other allergies, like dyes, foods, or preservatives. You may also be allergic to animals. For non-prescription medications, review the label or ingredients attentively.


The studies that have been conducted so far have not revealed specific problems for children that could limit the effectiveness of acetaminophen injections to treat chronic pain among children aged 2 years old or older. But, safety and effectiveness have not been proven for children less than two years old.

Studies that are appropriate so far have not revealed specific problems for children that could limit the efficacy of acetaminophen to treat fever in infants and premature babies who are 32 weeks old or older. However, the safety and effectiveness are not proven for infants and children less than 32 weeks old. age.

Details on Dosage

A nurse or other qualified medical professional will prescribe this medication. This medication is administered via the injection of a needle into some of the veins. The medication must be administered slowly over 15 minutes.

The doctor will prescribe you some doses of this medication until you feel better, and then you can switch to an oral medication that works in the same manner. 

Side effects Acetaminophen (Intravenous)

In addition to the beneficial effects, medicines may result in unwanted negative effects. While not all negative side effects are likely to be present, if they do occur, they might require medical attention.

Mild Effects

Less Common-Adults

  • Abnormal breath sounds

  • Bloating or swelling of the arms, face or hands, lower legs or feet

  • Difficulty or labored breathing

  • Difficult opening of the mouth

  • Dizziness, faintness, or lightheadedness if you get up abruptly from a Seated or lying seated

  • Irregular heartbeat

  • Lockjaw

  • Loss of appetite

  • Muscle pain or cramps

  • Muscle spasms, in particular of the back and neck

  • Nausea or vomiting

Adverse Side Effects

Certain side effects can be experienced which usually don't require medical treatment. These symptoms may be eliminated when you are treated while your body is adjusting to yours. Additionally, your doctor might be able to inform you how to prevent or lessen the effects of these adverse effects. Talk to your doctor if any of these adverse effects persist or are uncomfortable or should you have any concerns regarding these:

More Popular

  • Trouble sleeping

  • Less Common-Adults

  • Fear

  • Diarrhea

  • Trouble with bowel movements (stool)

  • Irritability

  • Anxiety

Other adverse side effects that are not listed might also be seen in certain patients. If you experience any other side effects, you should consult with your doctor.




Prescription only

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