Carbinoxamine/dextromethorphan/pseudoephedrine (By mouth)

Introduction

Carbinoxamine (kar-bin-OX-a-meen), Dextromethorphan (dex-troe-meth-OR-fan), Pseudoephedrine (soo-doe-e-FED-rin)

Treats cough, runny nose, stuffy nose, and sneezing caused by colds, allergy, or flu.

Brand Name(s)

Cardec DM

There may be other brand names for this medicine.

When This Medicine Should Not Be Used

You should not take this medicine if you have had an allergic reaction to carbinoxamine, dextromethorphan, or pseudoephedrine, or if you have very high blood pressure, coronary artery disease, glaucoma, trouble urinating, a peptic ulcer, or during an asthma attack. Do not use this medicine if you have taken an MAO inhibitor (MAOI) such as Eldepryl®, Marplan®, Nardil®, or Parnate® within the past 2 weeks. Do not give any over-the-counter (OTC) cough and cold medicine to a baby or child under 4 years old. Using these medicines in very young children might cause serious or possibly life-threatening side effects.

How to Use This Medicine

Liquid

  • Your doctor will tell you how much of this medicine to use and how often. Do not use more medicine or use it more often than your doctor tells you to.
  • Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup.

If a dose is missed:

  • If you miss a dose or forget to use your medicine, use it as soon as you can. If it is almost time for your next dose, wait until then to use the medicine and skip the missed dose. Do not use extra medicine to make up for a missed dose.

How to Store and Dispose of This Medicine

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
  • Ask your pharmacist, doctor, or health caregiver about the best way to dispose of any outdated medicine or medicine no longer needed.
  • Keep all medicine away from children and never share your medicine with anyone.

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 using medicines to treat depression (such as amitriptyline, doxepin, nortriptyline, Elavil®, Pamelor®, Sinequan®), or medicines to treat seizures (such as carbamazepine, phenobarbital, phenytoin, valproic acid, Carbatrol®, Depakene®, Dilantin®, Tegretol®). Your doctor also needs to know if you are using medicine to lower blood pressure (such as atenolol, hydrochlorothiazide (HCTZ), lisinopril, metoprolol, quinapril, Accupril®, Cozaar®, Diovan®, Lotrel®, Norvasc®, Toprol®).
  • Tell your doctor if you are using any medicines that make you sleepy. These include sleeping pills, cold and allergy medicine, narcotic pain relievers, and sedatives.
  • Do not drink alcohol while you are using this medicine.

Warnings While Using This Medicine

  • Make sure your doctor knows if you are pregnant or breastfeeding, or if you have high blood pressure, diabetes, heart disease, an overactive thyroid, asthma, glaucoma, or an enlarged prostate. Tell your doctor if your child has a skin problem (such as atopic dermatitis).
  • This medicine may make you dizzy or drowsy. Avoid driving, using machines, or doing anything else that could be dangerous if you are not alert.
  • If your symptoms do not improve or if they get worse, call your doctor.

Possible Side Effects While Using This Medicine

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

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Fast, slow, pounding, or uneven heartbeat.
  • Lightheadedness, dizziness, or drowsiness.
  • Pale skin or weakness.
  • Seeing or hearing things which are not really there.
  • Tremors or seizures.
  • Trouble breathing.
  • Trouble urinating, or change in how much or how often you urinate.

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

  • Changes in vision.
  • Dry mouth.
  • Headache.
  • Heartburn (burning pain in the chest or throat).
  • Irritability, hyperactivity, or clumsiness (especially in children).
  • Loss of appetite.
  • Nausea, vomiting, diarrhea, or stomach cramps.
  • Trouble sleeping, restlessness, or nervousness.

If you notice other side effects that you think are caused by this medicine, tell your doctor

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088

Version Info

  • Last Reviewed on 06/12/2013

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This page was last updated: September 18, 2013

         
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