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Home Knowledge Center Wellness Library dexchlorpheniramine and phenylephrine

dexchlorpheniramine and phenylephrine

Pronunciation: DEX klor fen IR a meen and FEN il EFF rin

Brand: Rymed

What is the most important information I should know about dexchlorpheniramine and phenylephrine?

What is the most important information I should know about dexchlorpheniramine and phenylephrine?

Do not use this medicine if you have used an MAO inhibitor in the past 14 days, such as isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, or tranylcypromine.

Do not use this medicine only to make a child sleepy.

What is dexchlorpheniramine and phenylephrine?

What is dexchlorpheniramine and phenylephrine?

Dexchlorpheniramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Phenylephrine is a decongestant that shrinks blood vessels in the nasal passages.

Dexchlorpheniramine and phenylephrine is a combination medicine used to treat runny or stuffy nose, sneezing, itching, watery eyes, and sinus congestion caused by allergies, the common cold, or the flu.

Dexchlorpheniramine and phenylephrine may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking dexchlorpheniramine and phenylephrine?

What should I discuss with my healthcare provider before taking dexchlorpheniramine and phenylephrine?

You should not use this medicine if you are allergic to dexchlorpheniramine or phenylephrine.

Do not use dexchlorpheniramine and phenylephrine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Ask a doctor or pharmacist if this medicine is safe to use if you have:

  • asthma or other breathing disorder such as emphysema or chronic bronchitis;
  • high blood pressure, heart disease;
  • glaucoma;
  • diabetes;
  • kidney disease; or
  • a thyroid disorder.

Ask a doctor before using this medicine if you are pregnant or breastfeeding.

How should I take dexchlorpheniramine and phenylephrine?

How should I take dexchlorpheniramine and phenylephrine?

Use exactly as directed on the label, or as prescribed by your doctor. Cold or cough medicine is only for short-term use until your symptoms clear up.

Swallow the tablet whole and do not crush, chew, or break it.

Always follow directions on the medicine label about giving cough or cold medicine to a child. Do not use the medicine only to make a child sleepy. Death can occur from the misuse of cough or cold medicines in very young children.

Call your doctor if your symptoms do not improve after 7 days of treatment, or if you have a fever with a headache, cough, or skin rash.

If you need surgery or medical tests, tell the surgeon or doctor ahead of time if you have taken this medicine within the past few days.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

What happens if I miss a dose?

Since dexchlorpheniramine and phenylephrine is used when needed, you may not be on a dosing schedule. Skip any missed dose if it's almost time for your next dose. Do not use two doses at one time.

What happens if I overdose?

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking dexchlorpheniramine and phenylephrine?

What should I avoid while taking dexchlorpheniramine and phenylephrine?

Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.

Ask a doctor or pharmacist before using other cough or cold medicines that may contain similar ingredients.

Drinking alcohol can increase certain side effects of dexchlorpheniramine.

What are the possible side effects of dexchlorpheniramine and phenylephrine?

What are the possible side effects of dexchlorpheniramine and phenylephrine?

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Stop using this medicine and call your doctor at once if you have:

  • severe dizziness;
  • nervousness, trouble sleeping;
  • little or no urination; or
  • high blood pressure (severe headache, pounding in your neck or ears).

Common side effects may include:

  • dizziness, drowsiness;
  • dry mouth, nose, or throat;
  • constipation;
  • blurred vision; or
  • feeling restless or excited (especially in children).

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What other drugs will affect dexchlorpheniramine and phenylephrine?

What other drugs will affect dexchlorpheniramine and phenylephrine?

Avoid using this medicine with other drugs that cause drowsiness or slow your breathing (such as opioid medicine, a muscle relaxer, or medicine for anxiety or seizures). Ask a doctor or pharmacist before using any other medication, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible drug interactions are listed in this medication guide.

Where can I get more information?

Where can I get more information?

Your pharmacist can provide more information about dexchlorpheniramine and phenylephrine.

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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