Trusted, medically reviewed health information • Not a substitute for medical advice
Medically Verified MonographOTCClass: Salicylate, NSAID

Aspirin

Generic Name: Aspirin

Common Brand Names: Bayer, Ecotrin
Dosage Form:Tablet
Route:Oral
Pregnancy Category:D
Last Reviewed:9/6/2026

Seek Urgent Medical Attention If:

Vomiting blood, sudden severe headache, confusion, weakness on one side of the body.

Uses & Medical Indications

Pain relief, prevent heart attacks

Medical Conditions Treated:

Pain, fever, cardiovascular prophylaxis

Dosage & Administration Guidelines

Adult Dosage

81-325 mg daily for prophylaxis

Pediatric Dosage

Avoid in children (Reye's syndrome)

Elderly / Geriatric Considerations

Use with caution, bleeding risk

Maximum Dose Limit

4000 mg/day for pain

Renal Impairment:

Avoid in severe failure

Hepatic Impairment:

Avoid in severe disease

Side Effects & Safety Warnings

Common Side Effects

Dyspepsia, bleeding

Serious Adverse Reactions

GI ulceration, anaphylaxis

Contraindications:

Bleeding disorders, asthma with nasal polyps

Important Warnings & Precautions:

Increased risk of GI bleeding

Interactions (Drugs, Food & Alcohol)

Drug-Drug Interactions:

Other NSAIDs, Anticoagulants

Food & Dietary Interactions:

N/A

Alcohol Interaction Warning:

Increases bleeding risk

Identified Clinical Drug Interactions for Aspirin:

Warfarin + AspirinMajor Interaction

Significantly increased risk of severe, life-threatening gastrointestinal hemorrhage and bleeding.

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Escitalopram + AspirinModerate Interaction

Increased susceptibility to upper gastrointestinal bleeding and mucosal ulceration.

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Pregnancy & Breastfeeding Safety

Pregnancy Safety

Avoid in 3rd trimester

Breastfeeding / Lactation

Use caution

Patient Counseling & Practical Advice

How to Take:

Take with food to reduce GI upset

What to Do if You Miss a Dose:

Take as soon as remembered

Recommended Monitoring & Lab Tests:

Bleeding signs

Frequently Asked Questions

Trustworthy Sources & Medical Review

Content for Aspirin was synthesized and fact-checked against standardized regulatory monographs, official pharmacopoeias, and national health authorities:

  • AHA / American College of CardiologyGuidelines on the Primary and Secondary Prevention of Cardiovascular Disease
  • US Preventive Services Task Force (USPSTF)Aspirin Use to Prevent Cardiovascular Disease
Reviewer Credentials: PharmD, Clinical PharmacologistLast Reviewed Date: 9/6/2026

The information provided on this website is for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.