Dafalgan Side Effects
Generic name: acetaminophen
Medically reviewed by Drugs.com. Last updated on Aug 23, 2024.
Note: This document provides detailed information about Dafalgan Side Effects associated with acetaminophen. Some dosage forms listed on this page may not apply specifically to the brand name Dafalgan.
Applies to acetaminophen: capsule, capsule liquid filled, elixir, liquid, powder, solution, suppository, suspension, tablet, tablet chewable, tablet disintegrating, tablet extended release.
Other dosage forms:
Serious side effects of Dafalgan
Along with its needed effects, acetaminophen (the active ingredient contained in Dafalgan) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking acetaminophen:
Rare side effects
- bloody or black, tarry stools
- bloody or cloudy urine
- fever with or without chills (not present before treatment and not caused by the condition being treated)
- pain in the lower back and/or side (severe and/or sharp)
- pinpoint red spots on the skin
- skin rash, hives, or itching
- sore throat (not present before treatment and not caused by the condition being treated)
- sores, ulcers, or white spots on the lips or in the mouth
- sudden decrease in the amount of urine
- unusual bleeding or bruising
- unusual tiredness or weakness
- yellow eyes or skin
Get emergency help immediately if any of the following symptoms of overdose occur while taking acetaminophen:
Symptoms of overdose
- diarrhea
- increased sweating
- loss of appetite
- nausea or vomiting
- stomach cramps or pain
- swelling, pain, or tenderness in the upper abdomen or stomach area
For healthcare professionals
Applies to acetaminophen: compounding powder, intravenous solution, oral capsule, oral granule effervescent, oral liquid, oral powder, oral powder for reconstitution, oral suspension, oral tablet, oral tablet chewable, oral tablet disintegrating, oral tablet extended release, rectal suppository.
General adverse events
In general, acetaminophen (the active ingredient contained in Dafalgan) is well-tolerated when administered in therapeutic doses. The most commonly reported adverse reactions have included nausea, vomiting, constipation. Injection site pain and injection site reaction have been reported with the IV product.[Ref]
Hepatic
- Common (1% to 10%): Increased aspartate aminotransferase
- Rare (less than 0.1%): Increased hepatic transaminases
- Frequency not reported: Liver failure[Ref]
Gastrointestinal
- Very common (10% or more): Nausea (up to 34%), Vomiting (up to 15%)
- Common (1% to 10%): Abdominal pain, diarrhea, constipation, dyspepsia, enlarged abdomen
- Frequency not reported: Dry mouth[Ref]
Hypersensitivity
- Postmarketing reports: Anaphylaxis, hypersensitivity reactions[Ref]
Hematologic
- Common (1% to 10%): Anemia, postoperative hemorrhage
- Very rare (less than 0.01%): Thrombocytopenia, leucopenia, neutropenia[Ref]
Dermatologic
- Common (1% to 10%): Rash, pruritus
- Rare (less than 0.1%): Serious skin reactions such as acute generalized exanthematous pustulosis, Stevens-Johnson syndrome, and toxic epidermal necrolysis
- Very rare (less than 0.01%): Pemphigoid reaction, pustular rash, Lyell syndrome[Ref]
Respiratory
- Common (1% to 10%): Dyspnea, abnormal breath sounds, pulmonary edema, hypoxia, pleural effusion, stridor, wheezing, coughing[Ref]
Cardiovascular
- Common (1% to 10%): Peripheral edema, hypertension, hypotension, tachycardia, chest pain[Ref]
Metabolic
- Common (1% to 10%): Hypokalemia, hyperglycemia[Ref]
Nervous system
- Common (1% to 10%): Headache, dizziness
- Frequency not reported: Dystonia
Musculoskeletal
- Common (1% to 10%): Muscle spasms, trismus
Psychiatric
- Common (1% to 10%): Insomnia, anxiety
Genitourinary
- Common (1% to 10%): Oliguria
Local
- Common (1% to 10%): Infusion site pain, injection site reactions
Ocular
- Common (1% to 10%): Periorbital edema
Other
- Common (1% to 10%): Pyrexia, fatigue
- Rare (0.01% to 0.1%): Malaise
References
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More about Dafalgan (acetaminophen)
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Further information
Dafalgan side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Some side effects may not be reported. You may report them to the FDA.