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Phenergan® VC Expectorant (Wyeth)

Promethazine HCl: Guaiacolsulfonate potassium: Sodium citrate: Citric acid: Ipecac fluid extract: Alcohol: Phenylephrine HCl
  • Ronald J. Tallarida


This combination of ingredients preparation is intended to aid in the treatment of coughs due to colds, allergies, and minor upper respiratory disorders. The promethazine component possesses sedative, antihistaminic, and antiemetic actions. Guaiacolsulfonate is possibly effective in increasing respiratory tract secretions.


Respiratory Disorder Codeine Phosphate Antiemetic Action Boston Collaborative Drug Surveillance Program Citric Acid Anhydrous 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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  1. For a comprehensive review on cough, see Irwin, RS, et al: Arch Intern Med 137:1186, 1977.PubMedCrossRefGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1982

Authors and Affiliations

  • Ronald J. Tallarida
    • 1
  1. 1.Temple University School of MedicinePhiladelphiaUSA

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