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| Attribute | Aspirin | Naproxen |
|---|---|---|
| Simple | Painkiller and blood thinner. | Long-acting pain and inflammation medicine. |
| Drug class | NSAID and antiplatelet agent (acetylsalicylic acid). | NSAID with longer half-life. |
| Prescription | OTC | OTC |
| Uses | Pain, Fever, Heart attack prevention, Stroke prevention | Arthritis, Period pain, Muscle pain, Migraine |
| Forms | Tablet, Chewable tablet, Enteric-coated tablet | Tablet, Capsule, Suspension |
| Adult dosage | 300–600 mg every 4–6 hours for pain; 75–100 mg daily for heart protection. | 250–500 mg twice a day. |
| Pregnancy | Avoid in 3rd trimester | Ask your doctor |
| Common side effects | Stomach upset, Heartburn | Stomach upset, Heartburn, Dizziness |