Adults and children 12 years of age and over
Take 2-4 pre-filled whistles every 4 to 6 hours, not to exceed 24 whistles in 24 hours, or as directed by a doctor
Children 6 to under 12 years of age
Take 1-2 pre-filled whistles every 4 to 6 hours, not to exceed 12 whistles in 24 hours, or as directed by a doctor
Children under 6 years of age
Consult a doctor