![Ru-hist-d (Pyrilamine Maleate And Phenylephrine Hydrochloride) Liquid [Carwin Associates, Inc]](https://dailymed.nlm.nih.gov/dailymed/image.cfm?setid=cf0a266c-d092-4a4d-b2d0-09a3a2a5c469&name=ru-hist-d-01.jpg)
Adults and children 12 years and over: 1 teaspoon every 6 to 8 hours, not to exceed 5 teaspoons in 24 hours, or as directed by a doctor.
Children 6 years to under 12 years: 1/2 teaspoon every 6 to 8 hours, not to exceed 3 teaspoons in 24 hours, or as directed by a doctor.
Not recommended for children under 6 years old.