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Aspirin Side Effects

Medically reviewed by Drugs.com. Last updated on Jul 31, 2023.

Applies to aspirin: oral capsule extended release 24 hr, oral capsule liquid filled, oral tablet, oral tablet chewable, oral tablet enteric coated. Other dosage forms:

Serious side effects of Aspirin

Along with its needed effects, aspirin 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 aspirin:

Incidence not known

Other side effects of Aspirin

Some side effects of aspirin may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

Incidence not known

For Healthcare Professionals

Applies to aspirin: compounding powder, oral capsule, oral capsule extended release, oral delayed release capsule, oral delayed release tablet, oral gum, oral powder for reconstitution, oral tablet, oral tablet chewable, oral tablet disintegrating, oral tablet dispersible, oral tablet extended release, rectal suppository.

Gastrointestinal

Common (1% to 10%): Dyspepsia,

Frequency not reported: GI bleeding, ulceration, perforation, nausea, vomiting, pancreatitis, gastric irritation, GI erosions, gastritis, melena, hematemesis, gingival bleeding[Ref]

Renal

Frequency not reported: Interstitial nephritis, papillary necrosis, renal insufficiency and failure[Ref]

Hematologic

Common (1% to 10%): Increased bleeding tendencies

Rare (0.01% to 0.1%): Aplastic anemia agranulocytosis, thrombocytopenia

Frequency not reported: Prolongation of prothrombin time, disseminated intravascular coagulation, coagulopathy, antepartum and postpartum bleeding, anemia[Ref]

Hypersensitivity

Rare (0.01% to 0.1%): Anaphylactic reactions including shock

Frequency not reported: Urticaria, angioedema, skin rashes[Ref]

Dermatologic

Uncommon (0.1% to 1%): Urticaria

Rare (0.01% to 0.1%): Steven-Johnson syndrome, Lyell's syndrome, erythema nodosum, erythema multiforme

Frequency not reported: Purpura, hives[Ref]

Hepatic

Frequency not reported: Transient elevations of hepatic enzymes, hepatitis, Reye's syndrome, hepatic insufficiency[Ref]

Metabolic

Frequency not reported: Thirst, dehydration, hyperkalemia, metabolic acidosis, respiratory alkalosis, hypoglycemia, hyperglycemia, hyperuricemia, salt and water retention[Ref]

Cardiovascular

Rare (0.01% to 0.1%): Hemorrhagic vasculitis

Frequency not reported: Dysrhythmias, hypotension, tachycardia[Ref]

Nervous system

Frequency not reported: Cerebral edema, coma headache, subdural or intracranial hemorrhage, seizures, lethargy, dizziness[Ref]

Other

Frequency not reported: Fever, hypothermia, hearing loss, tinnitus (at high doses), hearing disturbances[Ref]

Musculoskeletal

Frequency not reported: Rhabdomyolysis[Ref]

Respiratory

Frequency not reported: Hyperpnea, pulmonary edema, tachypnea, epistaxis, dyspnea, bronchospasm, asthma[Ref]

General

The more commonly experienced adverse effects include indigestion, dyspepsia, bleeding, and bruising.[Ref]

Genitourinary

Rare (0.01% to 0.1%): Menorrhagia

Frequency not reported: Proteinuria[Ref]

Psychiatric

Frequency not reported: Agitation, confusion[Ref]

Frequently asked questions

References

1. Product Information. Bayer Aspirin (acetylsalicylsyra). Bayer. PROD.

2. Cerner Multum, Inc. UK Summary of Product Characteristics.

3. US Food and Drug Administration. TITLE 21--FOOD AND DRUGS,CHAPTER I--FOOD AND DRUG ADMINISTRATION,DEPARTMENT OF HEALTH AND HUMAN SERVICES SUBCHAPTER D--DRUGS FOR HUMAN USE,PART 341 COLD, COUGH, ALLERGY, BRONCHODILATOR, AND ANTIASTHMATIC DRUG PRODUCTS FO. https://www.accessdata.fda.gov 2016.

4. Product Information. Durlaza (aspirin). New Haven Pharmaceuticals. 2022.

Further information

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.