Donnatal Elixir Dosage

Generic name: Phenobarbital 16.2mg in 5mL, Hyoscyamine sulfate 0.1037mg in 5mL, Atropine sulfate 0.0194mg in 5mL, Scopolamine hydrobromide 0.0065mg in 5mL
Dosage form: elixir
Drug class: Anticholinergics / antispasmodics

Medically reviewed by Drugs.com. Last updated on Jan 10, 2023.

The dosage of Donnatal® Elixir should be adjusted to the needs of the individual patient to assure symptomatic control with a minimum of adverse effects.

Donnatal® Elixir. Adults: One or two teaspoonfuls of elixir three or four times a day according to conditions and severity of symptoms.

Pediatric patients: may be dosed every 4 to 6 hours. Use a pediatric dosing device or oral syringe to measure the dose.

Starting Dosage
Body weight	Every 4 hours	Every 6 hours
10 lb. (4.5 kg)	0.5 mL	0.75 mL
20 lb. (9.1 kg)	1 mL	1.5 mL
30 lb. (13.6 kg)	1.5 mL	2 mL
50 lb. (22.7 kg)	2.5 mL	3.75 mL
75 lb. (34 kg)	3.75 mL	5 mL
100 lb. (45.4 kg)	5 mL	7.5 mL