DOSAGE AND ADMINISTRATION
Adults and Children over 10 years of age: Usual dose is one 150 mg capsule three times a day as needed for cough. If necessary to control cough, up to 600 mg daily in three divided doses may be given. Zonatuss™ capsules should be swallowed whole. Zonatuss™ capsules are not to be broken, chewed, dissolved, cut or crushed.
Benzonatate, a non-narcotic oral antitussive agent, is 2, 5, 8, 11, 14, 17, 20, 23, 26-nonaoxaoctacosan-28-yl p-(butylamino) benzoate; with a molecular weight of 603.00 (av).
Each capsule, for oral administration, contains 150 mg of benzonatate.
In addition, each capsule contains the following inactive ingredients: colloidal silicon dioxide, croscarmellose sodium, hydroxypropyl cellulose, microcrystalline cellulose, and silicon dioxide. Capsule shells for all strengths are composed of gelatin, titanium dioxide, FD&C Blue #1 and D&C Red #28. Imprinting ink is composed of black iron oxide, butyl alcohol, dehydrated alcohol, isopropyl alcohol, potassium hydroxide, propylene glycol, purified water, shellac and strong ammonia solution.