MedPath

Acetaminophen

Generic Name
Acetaminophen
Brand Names
Acephen, Acetadryl, Allzital, Apadaz, Arthriten Inflammatory Pain, Bupap, Butapap, Cetafen, Children's Silapap, Coricidin Hbp Cold & Flu, Darvocet-N, Dayquil Sinex, Diphen, Dolofin, Dologen, Dologesic Reformulated Jun 2016, Duralgina, Dvorah, Endocet, Esgic, Exaprin, Excedrin, Excedrin PM Triple Action, Excedrin Tension Headache, Feverall, Fioricet, Fioricet With Codeine, Goody's Back & Body Pain Relief, Goody's Body Pain, Goody's Extra Strength, Goody's Headache Relief Shot, Goody's PM, Hycet, Legatrin PM, Little Fevers, Lorcet, Lortab, Mapap, Mersyndol, Midol Complete, Midol Cramps & Bodyaches, Nalocet, Norco, Orbivan, Pamprin Max Formula, Pamprin Multi-symptom, Panadol, Pediacare Children's Fever Reducer Pain Reliever, Percocet, Percogesic Reformulated Jan 2011, Pharbetol, Premsyn Pms, Prolate, Rivacocet, Robaxacet, Robaxacet-8, Roxicet, Sudafed PE Sinus Headache, Tactinal, Tencon, Trezix, Triatec, Triatec-30, Triatec-8, Tylenol, Tylenol PM, Tylenol With Codeine, Ultracet, Vanatol, Vanatol S, Vanquish, Xodol, Xolox, Zamicet, Zflex, Zydone
Drug Type
Small Molecule
Chemical Formula
C8H9NO2
CAS Number
103-90-2
Unique Ingredient Identifier
362O9ITL9D
Background

Acetaminophen (paracetamol), also commonly known as Tylenol, is the most commonly taken analgesic worldwide and is recommended as first-line therapy in pain conditions by the World Health Organization (WHO). It is also used for its antipyretic effects, helping to reduce fever. This drug was initially approved by the U.S. FDA in 1951 and is available in a variety of forms including syrup form, regular tablets, effervescent tablets, injection, suppository, and other forms.

Acetaminophen is often found combined with other drugs in more than 600 over the counter (OTC) allergy medications, cold medications, sleep medications, pain relievers, and other products. Confusion about dosing of this drug may be caused by the availability of different formulas, strengths, and dosage instructions for children of different ages. Due to the possibility of fatal overdose and liver failure associated with the incorrect use of acetaminophen, it is important to follow current and available national and manufacturer dosing guidelines while this drug is taken or prescribed.

Indication

In general, acetaminophen is used for the treatment of mild to moderate pain and reduction of fever. It is available over the counter in various forms, the most common being oral forms.

Acetaminophen injection is indicated for the management of mild to moderate pain, the management of moderate to severe pain with adjunctive opioid analgesics, and the reduction of fever.

Because of its low risk of causing allergic reactions, this drug can be administered in patients who are intolerant to salicylates and those with allergic tendencies, including bronchial asthmatics. Specific dosing guidelines should be followed when administering acetaminophen to children.

Associated Conditions
Acute Gouty Arthritis, Acute Musculoskeletal Pain, Allergic Reaction, Allergy to Tree Pollen, Ankylosing Spondylitis (AS), Chills, Cold, Common Cold, Cough, Cough caused by Common Cold, Coughing caused by Flu caused by Influenza, Dyskinesia of the Biliary Tract, Dyskinesia of the Urinary Tract, Febrile Convulsions, Febrile Illness Acute, Fever, Fibromyalgia, Flu caused by Influenza, Headache, Joint dislocations, Menstrual Distress (Dysmenorrhea), Mild pain, Muscle Inflammation, Muscle Injuries, Muscle Spasms, Musculoskeletal Pain, Myalgia, Nasal Congestion, Neuropathic Pain, Osteoarthritis (OA), Pain, Postoperative pain, Premenstrual cramps, Rheumatoid Arthritis, Rhinopharyngitis, Rhinorrhoea, Severe Pain, Sinusitis, Spasms, Spastic Pain of the Gastrointestinal Tract, Sprains, Symptoms Cold, Tension Headache, Toothache, Upper Respiratory Tract Infection, Whiplash Syndrome, Acute Torticollis, Articular inflammation, Cold or flu syndrome, Mild to moderate pain, Minor aches and pains, Minor pain, Moderate Pain, Moderate to severe pain
Associated Therapies
Airway secretion clearance therapy, Anti-spasmodics, Bronchodilation

Ketamine Infusion Therapy for the Management of Acute Pain in Adult Rib Fracture Patients

Phase 4
Completed
Conditions
Rib Fractures
Wounds and Injuries
Interventions
Drug: Placebo
Drug: Ketamine
Procedure: Intercostal Nerve Block
Drug: Acetaminophen
Drug: Ibuprofen
Drug: Pantoprazole
Drug: Methocarbamol
Drug: Opioid
First Posted Date
2015-05-04
Last Posted Date
2020-02-05
Lead Sponsor
Medical College of Wisconsin
Target Recruit Count
153
Registration Number
NCT02432456
Locations
🇺🇸

Froedtert Memorial Lutheran Hospital, Milwaukee, Wisconsin, United States

Paracetamol in Patent Ductus Arteriosus

Phase 2
Completed
Conditions
Ductus Arteriosus, Patent
Interventions
First Posted Date
2015-04-22
Last Posted Date
2019-07-12
Lead Sponsor
Aziende Chimiche Riunite Angelini Francesco S.p.A
Target Recruit Count
110
Registration Number
NCT02422966
Locations
🇮🇹

Azienda Ospedaliero Universitaria Careggi - Neonatologia e Terapia Intensiva Neonatale, Firenze, Italy

🇮🇹

IRCCS "Giannina Gaslini" Genova - Patologia Neonatale e Terapia Intensiva Neonatale, Genova, Italy

🇮🇹

Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico U.O. di Neonatologia e Terapia Intensiva Neonatale, Milano, Italy

and more 2 locations

A Randomized Controlled Trial of Oral Acetaminophen for Analgesic Control After Transvaginal Oocyte Retrieval

Phase 4
Completed
Conditions
Pain
Interventions
Drug: placebo
Drug: Acetaminophen
First Posted Date
2015-04-16
Last Posted Date
2020-02-18
Lead Sponsor
University of Alabama at Birmingham
Target Recruit Count
99
Registration Number
NCT02418182
Locations
🇺🇸

Deidre D Gunn, MD, Birmingham, Alabama, United States

Efficacy of Different Drugs to Control Post Root Canal Treatment Pain

Phase 2
Completed
Conditions
Postoperative Pain
Irreversible Pulpitis
Pain
Interventions
First Posted Date
2015-04-15
Last Posted Date
2015-04-15
Lead Sponsor
University of Khartoum
Target Recruit Count
170
Registration Number
NCT02417337
Locations
🇸🇩

University of Khartoum, Faculty of Dentistry,, Khartoum, Sudan

Effect of Steroids on Post-tonsillectomy Morbidities

Phase 2
Completed
Conditions
Postoperative Pain
Postoperative Nausea and Vomiting
Interventions
First Posted Date
2015-03-30
Last Posted Date
2015-07-15
Lead Sponsor
King Fahd General Hospital
Target Recruit Count
100
Registration Number
NCT02401529

Pre-Emptive Analgesia in Ano-Rectal Surgery

Not Applicable
Completed
Conditions
Hemorrhoids
Fissure in Ano
Rectal Fistula
Anal Condyloma
Interventions
First Posted Date
2015-03-30
Last Posted Date
2018-01-16
Lead Sponsor
University of Vermont
Target Recruit Count
90
Registration Number
NCT02402543
Locations
🇺🇸

University of Vermont Medical Center, Burlington, Vermont, United States

🇺🇸

University of Vermont Medical Center Fanny Allen Campus, Colchester, Vermont, United States

Pre-operative Analgesics for Postoperative Pain Relief After Dental Treatment

Early Phase 1
Completed
Conditions
Analgesia
Pain, Postoperative
Interventions
Drug: placebo
Drug: paracetamol
First Posted Date
2015-03-19
Last Posted Date
2021-03-03
Lead Sponsor
Hadassah Medical Organization
Target Recruit Count
114
Registration Number
NCT02393339
Locations
🇮🇱

Hadassah Medical Organization, Jerusalem, Israel

Topical 5% Imiquimod Cream for Vulvar Paget's Disease

Phase 3
Completed
Conditions
Paget Disease, Extramammary
Interventions
First Posted Date
2015-03-11
Last Posted Date
2020-01-02
Lead Sponsor
University Medical Center Nijmegen
Target Recruit Count
25
Registration Number
NCT02385188
Locations
🇳🇱

Radboudumc, Nijmegen, Netherlands

🇳🇱

University Medical Centre Utrecht, Utrecht, Netherlands

🇳🇱

Netherlands Cancer Institute, Amsterdam, Netherlands

and more 4 locations

Transversus Abdominis Plane Block Versus Ilioinguinal Nerve Block for Pain Management in Inguinal Herniorraphy

Not Applicable
Completed
Conditions
Pain, Postoperative
Interventions
Procedure: Spinal Anesthesia
Drug: Bupivacaine %0.5 (hyperbaric)
Procedure: Transversus Abdominis Plane Block
Procedure: Ilioinguinal Nerve Block
Device: 25G Quincke needle
Drug: Bupivacaine %0.25 (isobaric)
Drug: Acetaminophen
Device: Echogenic Needle with 30° bevel
Drug: Tramadol
First Posted Date
2015-03-02
Last Posted Date
2015-10-28
Lead Sponsor
Bozyaka Training and Research Hospital
Target Recruit Count
90
Registration Number
NCT02375100
Locations
🇹🇷

Izmir Bozyaka Training and Research Hospital, Izmir, Turkey

IV Paracetamol Versus IV Dexketoprofen in Dysmenorrhea

Phase 4
Conditions
Dysmenorrhea
Interventions
First Posted Date
2015-02-27
Last Posted Date
2015-02-27
Lead Sponsor
Akdeniz University
Target Recruit Count
100
Registration Number
NCT02373514
Locations
🇹🇷

Pamukkale University, Denizli, Turkey

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