Directions adults and children 12 years and over: 1 to 2 tablets every 4 hours, while symptoms persist, not to exceed 6 doses or 12 tablets in 24 hours, or as directed by a doctor children 11 to under 12 years of age: 1 to 1.5 tablets every 4 hours, while symptoms persist, not to exceed 5 doses or 7.5 tablets in 24 hours, or as directed by a doctor children 9 to under 11 years of age: 1 tablet every 4 hours, while symptoms persist, not to exceed 5 doses or 5 tablets in 24 hours, or as directed by a doctor children 6 to under 9 years of age: 1 tablet every 4 hours, while symptoms persist, not to exceed 5 doses or 5 tablets in 24 hours, or as directed by a doctor children 4 to under 6 years of age: 3/4 tablet every 4 hours, while symptoms persist, not to exceed 5 doses or 3.75 tablets in 24 hours, or as directed by a doctor children 3 to under 4 years of age: 1/2 tablet every 4 hours, while symptoms persist, not to exceed 5 doses or 2.5 tablets in 24 hours, or as directed by a doctor children under 3 years of age: ask a doctor