Recommended dosage: （用量 成人及兒童）
ADULTS
Treatment of Minor Pain and Fever
The usual dose is 1 or 2 tablets every 3 to 4 hours up to 6 times a day.
Prevention of Stroke
The usual dose is 1 tablet 4 times daily or 2 tablets 2 times a day.
Prevention of Heart Attack
The usual dose is 1 tablet daily. Your physician may suggest that you take a larger dose, however. If you use Halfprin low-strength tablets (162 milligrams), adjust dosage accordingly.
CHILDREN
Consult your doctor.
Side effects may include: （副作用）
Heartburn, nausea and/or vomiting, possible involvement in formation of stomach ulcers and bleeding, small amounts of blood in stool, stomach pain, stomach upset
Special information if you are pregnant or breastfeeding：
(孕婦慎用)
The use of aspirin during pregnancy should be discussed with your doctor. Aspirin should not be used during the last 3 months of pregnancy unless specifically indicated by your doctor. It may cause problems in the fetus and complications during delivery. Aspirin may appear in breast milk and could affect a nursing infant. Ask your doctor whether it is safe to take aspirin while you are breastfeeding.