More frequently reported side effects include: dyspepsia, epigastric discomfort, heartburn, and nausea. See below for a comprehensive list of adverse effects.
Applies to aspirin: oral capsule extended release 24 hr, oral gum, oral tablet, oral tablet chewable, oral tablet enteric coated
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
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
Applies to aspirin: compounding powder, 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
Common (1% to 10%): Dyspepsia,
Frequency not reported: GI bleeding, ulceration, perforation, nausea, vomiting, pancreatitis, gastric irritation, GI erosions, gastritis, melena, hematemesis, gingival bleeding
Frequency not reported: Interstitial nephritis, papillary necrosis, renal insufficiency and failure
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
Rare (0.01% to 0.1%): Anaphylactic reactions including shock
Frequency not reported: Urticaria, angioedema, skin rashes
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
Frequency not reported: Transient elevations of hepatic enzymes, hepatitis, Reye's syndrome, hepatic insufficiency
Frequency not reported: Thirst, dehydration, hyperkalemia, metabolic acidosis, respiratory alkalosis, hypoglycemia, hyperglycemia, hyperuricemia, salt and water retention
Rare (0.01% to 0.1%): Hemorrhagic vasculitis
Frequency not reported: Dysrhythmias, hypotension, tachycardia
Frequency not reported: Cerebral edema, coma headache, subdural or intracranial hemorrhage, seizures, lethargy, dizziness
Frequency not reported: Fever, hypothermia, hearing loss, tinnitus (at high doses), hearing disturbances
Frequency not reported: Rhabdomyolysis
Frequency not reported: Hyperpnea, pulmonary edema, tachypnea, epistaxis, dyspnea, bronchospasm, asthma
The more commonly experienced adverse effects include indigestion, dyspepsia, bleeding, and bruising.
Rare (0.01% to 0.1%): Menorrhagia
Frequency not reported: Proteinuria
Frequency not reported: Agitation, confusion
Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.
Source: Drugs.com Aspirin