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  • Basic Info
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Generic: dextromethorphan-promethazine
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It is used to treat coughing due to colds or allergies

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What is this medicine?

DEXTROMETHORPHAN; PROMETHAZINE (dex troe meth OR fan; proe METH a zeen) is a cough suppressant and an antihistamine. It is used to treat coughing due to colds or allergies. This medicine will not treat an infection.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of the following conditions:
  • asthma or other lung disease
  • diabetes
  • eczema
  • seizure disorder
  • serious or chronic illness
  • sleep apnea
  • an unusual or allergic reaction to dextromethorphan, promethazine, phenothiazines, other medicines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast- feeding

How should I use this medicine?

Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Use a specially marked spoon or container to measure your medicine. Household spoons are not accurate. Take your doses at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed. Do not use this medicine in children less than 2 years of age.

Patients over 65 years old may have a stronger reaction and need a smaller dose.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

Do not take this medicine with any of the following medications:
  • MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate

This medicine may also interact with the following medications:

  • alcohol or alcohol- containing products
  • barbiturate medicines like phenobarbital
  • epinephrine
  • medicines for depression, anxiety or psychotic disturbances
  • medicines for Parkinson's disease
  • medicines for sleep
  • medicines for the stomach like metoclopramide, dicyclomine, glycopyrrolate
  • pain medicines
  • radio contrast dyes
  • sibutramine
  • some medicines for cold or allergies

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