displayName: DESCRIPTION SECTION
FDA Article Code: 34089-3
Each 5 mL (one teaspoonful), for oral administration contains: Dextromethorphan hydrobromide 15 mg; promethazine hydrochloride 6.25 mg. Alcohol 7.0%.
Inactive Ingredients: artificial pineapple flavor, artificial raspberry flavor, ascorbic acid, citric acid anhydrous, dehydrated alcohol, D&C Yellow No. 10, edetate disodium, FD&C Yellow No. 6, glycerin, liquid sugar, methylparaben, purified water, saccharin sodium, sodium benzoate, sodium citrate dihydrate and sodium propionate.
Dextromethorphan hydrobromide is a salt of the methyl ether of the dextrorotatory isomer of levorphanol, a narcotic analgesic. It is chemically designated as 3-Methoxy-17-methyl-9α, 13α, 14α-morphinan hydrobromide monohydrate. Dextromethorphan hydrobromide occurs as white crystals sparingly soluble in water and freely soluble in alcohol. It has a molecular weight of 370.32, a molecular formula of C H NO•HBr•H O, and the following structural formula:
Promethazine is a racemic compound. Promethazine hydrochloride, a phenothiazine derivative, is chemically designated as 10 -Phenothiazine-10-ethanamine, , , α-trimethyl-, monohydrochloride, (±)-.
Promethazine hydrochloride occurs as a white to faint yellow, practically odorless, crystalline powder which slowly oxidizes and turns blue on prolonged exposure to air. It is soluble in water and freely soluble in alcohol. It has a molecular weight of 320.88, a molecular formula of C H N S•HCl, and the following structural formula:
INDICATIONS AND USAGE
displayName: INDICATIONS & USAGE SECTION
FDA Article Code: 34067-9
Promethazine hydrochloride and dextromethorphan hydrobromide syrup is indicated for the temporary relief of coughs and upper respiratory symptoms associated with allergy or the common cold.
displayName: CONTRAINDICATIONS SECTION
FDA Article Code: 34070-3
Dextromethorphan should not be used in patients receiving a monoamine oxidase inhibitor (MAOI) (see ).
PRECAUTIONS, Drug Interactions
Promethazine is contraindicated in comatose states, and in individuals known to be hypersensitive or to have had an idiosyncratic reaction to promethazine or to other phenothiazines.
Antihistamines are contraindicated for use in the treatment of lower respiratory tract symptoms, including asthma.
displayName: PRECAUTIONS SECTION
FDA Article Code: 42232-9
Animal reproduction studies have not been conducted with the drug combination–promethazine and dextromethorphan. It is not known whether this drug combination can cause fetal harm when administered to a pregnant woman or can affect reproduction capacity. Promethazine and dextromethorphan should be given to a pregnant woman only if clearly needed.
DRUG ABUSE AND DEPENDENCE
displayName: DRUG ABUSE AND DEPENDENCE SECTION
FDA Article Code: 42227-9
According to the WHO Expert Committee on Drug Dependence, dextromethorphan could produce very slight psychic dependence but no physical dependence.
DOSAGE AND ADMINISTRATION
displayName: DOSAGE & ADMINISTRATION SECTION
FDA Article Code: 34068-7
Promethazine hydrochloride and dextromethorphan hydrobromide syrup is contraindicated for children under 2 years of age
WARNINGS – Black Box Warning
Use in Pediatric Patients
The average effective dose is given in the following table:
||1 teaspoonful (5 mL) every 4 to 6 hours, not to exceed 30 mL in 24 hours.
|Children 6 years to under 12 years
||½ to 1 teaspoonful (2.5 to 5 mL) every 4 to 6 hours, not to exceed 20 mL in 24 hours.
|Children 2 years to under 6 years
||¼ to ½ teaspoonful (1.25 to 2.5 mL) every 4 to 6 hours, not to exceed 10 mL in 24 hours.
DEXTROMETHORPHAN HYDROBROMIDE AND PROMETHAZINE HYDROCHLORIDE SYRUP
displayName: PACKAGE LABEL.PRINCIPAL DISPLAY PANEL
FDA Article Code: 51945-4