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  • Basic Info
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Generic: carbetapentane/diphenhydramine/phenylephrine
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It is used to treat the symptoms of allergies, a cold, or other sinus problems
               



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What is this medicine?

CARBETAPENTANE; DIPHENHYDRAMINE; PHENYLEPHRINE (kar bay ta PEN tane; dye fen HYE dra meen; fen il EF rin) is a combination of a cough suppressant, an antihistamine, and a decongestant. It is used to treat the symptoms of allergies, a cold, or other sinus problems. 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:
  • asthma
  • diabetes
  • difficulty passing urine
  • glaucoma
  • heart disease
  • high blood pressure
  • stomach ulcer or obstruction
  • taken an MAOI like Carbex, Eldepryl, Marplan, Nardil, or Parnate in last 14 days
  • an unusual or allergic reaction to carbetapentane, 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 with a glass of water. Follow the directions on the prescription label. Do not chew or crush. Tablets may be cut along the score line. Take your medicine at regular intervals. Do not take your medicine 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 6 years of age for selected conditions, precautions do apply.

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:
  • dihydroergotamine, ergotamine
  • MAOIs like Carbex, Eldepryl, Marplan, Nardil, and Parnate
  • procarbazine
  • stimulant medicines for attention disorders, weight loss, or to stay awake

This medicine may also interact with the following medications:

  • alcohol
  • barbiturates like phenobarbital
  • bretylium
  • caffeine
  • linezolid
  • mecamylamine
  • medicines for depression, anxiety, or psychotic disturbances
  • medicines for sleep
  • muscle relaxers
  • narcotic medicines for pain
  • other medicines for cold, cough, or allergy
  • St. John's Wort
  • theophylline

               
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