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1.1 Common Cold
REZIRA® Oral Solution (hydrocodone bitartrate and pseudoephedrine hydrochloride) is indicated for:
Relief of cough and nasal congestion associated with common cold.
Important Limitations of Use:
Not indicated for pediatric patients under 18 years of age [see Pediatric Use (8.4)].
REZIRA Oral Solution contains hydrocodone bitartrate (a semisynthetic centrally-acting opioid antitussive) and pseudoephedrine hydrochloride (a sympathomimetic amine).
Each 5 mL dose of REZIRA Oral Solution contains: hydrocodone bitartrate, USP, 5 mg; and pseudoephedrine hydrochloride, USP, 60 mg.
REZIRA Oral Solution also contains: citric acid anhydrous, glycerin, grape flavor, methylparaben, propylene glycol, propylparaben, purified water, sodium citrate, sodium saccharin, and sucrose.
Hydrocodone bitartrate is morphinan-6-one, 4,5-epoxy-3-methoxy-17-methyl-, (5α)-, [R-(R*,R*)]-2,3-dihydroxybutanedioate (1:1), hydrate (2:5); also known as 4,5α-Epoxy-3-methoxy-17-methylmorphinan-6-one tartrate (1:1) hydrate (2:5); a fine white crystal or crystalline powder, which is derived from the opium alkaloid, thebaine; and may be represented by the following structural formula:
Pseudoephedrine hydrochloride is benzenemethanol, α-[1-(methylamino)ethyl]-, [S-(R*,R*)] hydrochloride and has the following chemical structure:
