What Is the Dimetapp Dosage by Weight?

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The Dimetapp dosage by weight for a 12- to 17-pound child is 1/2 teaspoon every six hours, and an 18- to 30-pound child should receive 1 teaspoon every six hours, according to Beverly Hills Pediatrics. For a 31- to 44-pound child, the dosage is 1.5 teaspoons every six hours.