dextromethorphan/promethazine (Phenergan with dextromethorphan)

Introduction

Tradenames: Phenameth DM, Phenazine w/DM

Indications

• temporary relief of coughs & upper respiratory tract symptoms associated with allergy or the common cold

Contraindications

• concurrent use of MAO inhibitors

Dosage

• adults & children > 12 years of age:
  • 5-10 mL every 4-6 hours PRN
• children 6-12 years: 2.5-5 mL every 4-6 hours PRN
• children 2-6 years: 1.25-2.5 mL every 4-6 hours PRN

Syrup: promethazine HCl 6.25 mg & dextromethorphan HBr 15 mg/5 mL (120 mL, 240 mL)

Adverse effects

see promethazine & dextromethorphan

More general terms

• Ear nose throat combination

Components

• dextromethorphan (Benylin DM)
• promethazine (Phenergan, Farganesse)