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| Attribute | Aspirin | Ibuprofen |
|---|---|---|
| Simple | Painkiller and blood thinner. | Pain relief medicine. |
| Drug class | NSAID and antiplatelet agent (acetylsalicylic acid). | NSAID (Non-Steroidal Anti-Inflammatory Drug). |
| Prescription | OTC | OTC |
| Uses | Pain, Fever, Heart attack prevention, Stroke prevention | Headache, Fever, Tooth pain, Period pain, Muscle pain, Arthritis |
| Forms | Tablet, Chewable tablet, Enteric-coated tablet | Tablet, Capsule, Syrup, Gel, Injection |
| Adult dosage | 300–600 mg every 4–6 hours for pain; 75–100 mg daily for heart protection. | 200–400 mg every 4–6 hours as needed (max 1200 mg/day OTC). |
| Pregnancy | Avoid in 3rd trimester | Avoid in 3rd trimester |
| Common side effects | Stomach upset, Heartburn | Heartburn, Dizziness, Headache |