|
| U.S. Brand
Names |
|
| Phenameth® DM; Phenergan® With
Dextromethorphan; Pherazine®
w/DM |

|
|
| Generic
Available |
|
|
Yes |

|
|
| Synonyms |
|
|
Dextromethorphan and Promethazine |

|
|
| Pharmacological Index |
|
|
Antihistamine/Antitussive |

|
|
| Use |
|
|
Temporary relief of coughs and upper respiratory symptoms associated with
allergy or the common cold |

|
|
| Pregnancy Risk
Factor |
|
|
C |

|
|
| Warnings/Precautions |
|
|
Research on chicken embryos exposed to concentrations of dextromethorphan
relative to those typically taken by humans has shown to cause birth defects and
fetal death; more study is needed, but it is suggested that pregnant women
should be advised not to use dextromethorphan-containing
medications |

|
|
| Usual Dosage |
|
|
Oral:
2-6 years: 1.25-2.5 mL every 4-6 hours up to 10 mL in 24 hours
6-12 years: 2.5-5 mL every 4-6 hours up to 20 mL in 24 hours
Adults: 5 mL every 4-6 hours up to 30 mL in 24 hours |

|
|
| Dental Health: Local
Anesthetic/Vasoconstrictor
Precautions |
|
|
No information available to require special precautions |

|
|
| Dental Health:
Effects on Dental Treatment |
|
|
Although promethazine is a phenothiazine derivative, extrapyramidal reactions
or tardive dyskinesias are not seen with the use of this
drug. |

|
|
| Patient
Information |
|
|
See individual agents. Pregnancy/breast-feeding precautions: Inform
prescriber if you are or intend to get pregnant. Breast-feeding is not
recommended. |

|
|
| Dosage Forms |
|
|
Syrup: Promethazine hydrochloride 6.25 mg and dextromethorphan hydrobromide
15 mg per 5 mL with alcohol 7% (120 mL, 480 mL, 4000
mL) |

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|
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|