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