Aspirin / Acetylsalicylic Acid

Overview

Its medication class is NSAID; antiplatelet effect at repeated/higher dosing. Common uses include Pain, fever, inflammation, and occasionally antiplatelet support in medical settings. Product forms and labels can differ, so follow the specific package instructions and ask a pharmacist or qualified healthcare professional about individual questions.

How to Take it

Route

Oral tablet/capsule/liquid

Time of day

Use when needed for pain or fever; space doses consistently for sustained symptoms.

With food/water

120–240 mL water; food may reduce nausea.

Preparation

Use only label-strength forms for adults/children and swallow tablets with water.

Safe dose

Start at the lowest effective dose listed on the product label.

Max dose

Do not exceed the product label daily amount; avoid combining same-class ingredients.

Frequency

Every 4–8 hours as directed, usually no sooner than label interval.

Other recommendations

Use labels to separate from other acetaminophen/NSAID products and alcohol-containing medicines.

Common uses

• Pain
• fever
• inflammation
• occasionally antiplatelet support in medical settings

Common side effects

• Stomach pain
• nausea
• vomiting
• heartburn
• tinnitus
• easy bruising
• headache
• dizziness
• and skin rash

Important warnings

• Aspirin should not be used for children/adolescents with viral fever/flu symptoms due to Reye syndrome risk. Avoid if history of severe allergy, active bleeding, platelet disorders, peptic ulcer, uncontrolled hypertension, or severe liver/kidney disease. Use caution with other NSAIDs, blood thinners, and high alcohol intake. In older adults, monitor for GI bleeding and tinnitus. Avoid use if planning surgery without medical advice.

General interactions information

Increases bleeding with anticoagulants/antiplatelets/NSAIDs; can interfere with some antihypertensives and ibuprofen timing.