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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.


Depression Citrate Hydrochloride Levodopa Hyperthyroidism 


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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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