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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 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

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.