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  • Basic Info
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Generic: dextromethorphan/diphenhydrAMINE/PE
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It is used to treat the cough and congestion of allergies or colds
               



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What is this medicine?

DEXTROMETHORPHAN, DIPHENHYDRAMINE, and PHENYLEPHRINE (dex troe meth OR fan; dye fen HYE dra meen; fen il EF rin) is a cough suppressant, a histamine blocker, and a decongestant combination. It is used to treat the cough and congestion of allergies or colds. 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 these conditions:
  • diabetes
  • enlarged prostrate
  • glaucoma
  • heart disease
  • high blood pressure
  • phenylketonuria
  • stomach ulcer
  • taken medicines called MAO Inhibitors like Nardil, Parnate, Marplan, Eldepryl in the last 14 days
  • thyroid disease
  • trouble passing urine
  • an unusual or allergic reaction to dextromethorphan, diphenhydramine, phenylephrine, 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. Follow the directions on the prescription label. Shake well before use. Use a specially marked spoon or container to measure your dose. Household spoons are not accurate. Take your medicine at regular intervals. Do not take it more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 2 years old for selected conditions, precautions do apply.

Patients over 60 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:
  • amphetamine or other stimulant drugs
  • bromocriptine
  • ergot alkaloids like dihydroergotamine
  • MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
  • procarbazine

This medicine may also interact with the following medications:

  • alcohol
  • barbiturates like phenobarbital
  • medicines for depression, anxiety, or psychotic disturbances
  • medicines for sleep
  • muscle relaxers
  • other medicines for cold, cough, or allergy

               
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