Chlorpheniramine (Oral)

Chlorpheniramine (By Mouth)

Chlorpheniramine (klor-fen-IR-a-meen)

Treats hay fever and other types of allergies.Belongs to a class of drugs called antihistamines.

Brand Name(s):

C.P.M. Tablets, Chlorphen, Chlor-Phen, Chlor-Trimeton Allergy, Aller-Chlor, Teldrin HBP, Diabetic Tussin Allergy Relief
There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have ever had an allergic-type reaction to any antihistamine such as chlorpheniramine, or to brompheniramine, dexchlorpheniramine, or triprolidine. Do not give the 8 or 12 hour allergy tablets to children under 12 years of age, or the 4 hour tablet to children under 6 years of age unless your doctor tells you to.

How to Use This Medicine:

Liquid, Tablet, Long Acting Tablet, Chewable Tablet

     
  • Your doctor will tell you how much medicine to take and how often.  
  • You may take your medicine with food or milk to avoid stomach upset. Drink plenty of fluids while taking this medicine.  
  • Do not chew or crush the extended-release tablet.

If a dose is missed::

     
  • Take your medicine as soon as you remember that you have missed your dose.  
  • If it is nearly time for your next dose, wait until then to take the medicine and skip the missed dose.  
  • You should not use two doses at one time.

How to Store and Dispose of This Medicine:

     
  • Store the medicine at room temperature, away from heat, direct light, and moisture. Do not freeze the oral liquid.  
  • Keep all medicine away from children.

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

     
  • Make sure your doctor knows if you are taking monoamine oxidase (MAO) inhibitor-type medicines such as isocarboxazid (Marplanreg;), phenelzine (Nardil), or Eldeprylreg;.  
  • Avoid drinking alcohol while taking this medicine.  
  • Avoid taking medicines such as sleeping pills, tranquilizers, sedatives, narcotic pain killers, or antidepressants while you are taking chlorpheniramine.

Warnings While Using This Medicine:

     
  • Talk to your doctor before taking this medicine if you are pregnant or breastfeeding, or if you have glaucoma, a kidney disease, enlarged prostate, asthma, or stomach ulcer.  
  • Check with your doctor if you will be having surgery and general anesthesia within 2 months of taking chlorpheniramine.  
  • This medicine may make you drowsy or dizzy. Be careful when driving or using machinery.

Possible Side Effects While Using This Medicine:

Call your doctor right away if you notice any of these side effects:

     
  • Severe drowsiness  
  • Unexplained high fever with sore throat  
  • Hallucinations  
  • Shortness of breath or trouble breathing  
  • Trouble urinating - less than 1 cup (8 ounces) of urine in one day

If you notice these less serious side effects, talk with your doctor:

     
  • Drowsiness  
  • Dry mouth  
  • Clumsiness  
  • Thick mucus  
  • Nervousness  
  • Upset stomach

Johns Hopkins patient information

Copyright 1996-2014 Cerner Multum, Inc. Version: 16.02.
Revision date: June 22, 2011
Last revised: by Jorge P. Ribeiro, MD

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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.

The drug reference included in this section is provided by Cerner Multum, Inc., of Denver, Colorado. Armenian Medical Network receives monthly updates from Multum.