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