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Home Knowledge Center Wellness Library guaifenesin and pseudoephedrine

guaifenesin and pseudoephedrine

Pronunciation: gwye FEN e sin, SOO doe ee FED rin

Brand: Ambifed-G, Despec-SR, Entex T, Maxifed, Mucinex D, Mucinex D Max Strength, Poly-Vent IR, Respaire-30, Robitussin Severe Congestion, Sinutab Non Drying, Triaminic Softchews Chest Congestion, Tusnel Pediatric Drops

Mucinex D

slide 1 of 8, Mucinex D,

600 mg-60 mg, oval, orange/white, imprinted with Mucinex, 600

Image of Mucinex D
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Congestac

slide 2 of 8, Congestac,

400 mg-60 mg, oblong, white, imprinted with C

Image of Congestac
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Deconsal II(obsolete)

slide 3 of 8, Deconsal II(obsolete),

600 mg-60 mg, oblong, blue, imprinted with Adams, 017

Image of Deconsal II(obsolete)
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Duratuss GP (obsolete)

slide 4 of 8, Duratuss GP (obsolete),

1200 mg-120 mg, oval, white, imprinted with ETHEX, 373

Image of Duratuss GP (obsolete)
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Guaifenesin-Pseudoephedrine Hydrochloride SR

slide 5 of 8, Guaifenesin-Pseudoephedrine Hydrochloride SR,

1200 mg-120 mg, oblong, white, imprinted with CYP 266

Image of Guaifenesin-Pseudoephedrine Hydrochloride SR
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Mucus Relief D

slide 6 of 8, Mucus Relief D,

600 mg-60 mg, oval, peach, imprinted with 600, Watson

Image of Mucus Relief D
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Guaifenex GP

slide 7 of 8, Guaifenex GP,

1200 mg-120 mg, oval, white, imprinted with 373, ETHEX

Image of Guaifenex GP
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Guaifenex PSE 60

slide 8 of 8, Guaifenex PSE 60,

600 mg-60 mg, oblong, blue, imprinted with ETHEX, 214

Image of Guaifenex PSE 60
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What is the most important information I should know about guaifenesin and pseudoephedrine?

What is the most important information I should know about guaifenesin and pseudoephedrine?

Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children.

What is guaifenesin and pseudoephedrine?

What is guaifenesin and pseudoephedrine?

There are many brands and forms of guaifenesin and pseudoephedrine available and not all brands are listed on this leaflet.

Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth.

Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).

Guaifenesin and pseudoephedrine is a combination medicine used to treat stuffy nose and sinus congestion, and to reduce chest congestion caused by the common cold or flu.

Guaifenesin and pseudoephedrine may also be used for purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking guaifenesin and pseudoephedrine?

What should I discuss with my healthcare provider before taking guaifenesin and pseudoephedrine?

You should not use guaifenesin and pseudoephedrine if you are allergic to it.

Do not use guaifenesin and pseudoephedrine if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.

Ask a doctor or pharmacist if it is safe for you to take this medication if you have:

  • high blood pressure, heart disease, coronary artery disease;
  • diabetes;
  • circulation problems;
  • glaucoma;
  • overactive thyroid; or
  • enlarged prostate or problems with urination.

It is not known if this medication may be harmful to an unborn baby. Do not use this medicine without medical advice if you are pregnant.

Guaifenesin and pseudoephedrine may pass into breast milk and may harm a nursing baby. Decongestants may also slow breast milk production. Do not use this medicine without medical advice if you are breast-feeding a baby.

Artificially sweetened liquid medicine may contain phenylalanine. Check the medication label if you have phenylketonuria (PKU).

How should I take guaifenesin and pseudoephedrine?

How should I take guaifenesin and pseudoephedrine?

Use exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended. Cough or cold medicine is usually taken only for a short time until your symptoms clear up.

Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving cough or cold medicine to a child. Death can occur from the misuse of cough or cold medicine in very young children.

Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.

Do not crush, chew, break, or open an extended-release tablet or capsule. Swallow it whole.

The chewable tablet must be chewed before you swallow it.

Drink extra fluids to help loosen the congestion and lubricate your throat while you are taking this medication.

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.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

What happens if I miss a dose?

Since this medicine is taken when needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

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 guaifenesin and pseudoephedrine?

What should I avoid while taking guaifenesin and pseudoephedrine?

This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.

Drinking alcohol with this medicine can cause side effects.

Ask a doctor or pharmacist before using any other cough, cold, or allergy medicine. Guaifenesin and pseudoephedrine are contained in many combination medicines. Taking certain products together can cause you to get too much of a certain drug.

What are the possible side effects of guaifenesin and pseudoephedrine?

What are the possible side effects of guaifenesin and pseudoephedrine?

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 guaifenesin and pseudoephedrine and call your doctor at once if you have:

  • fast, pounding, or uneven heartbeat; or
  • severe anxiety or nervousness.

Common side effects may include:

  • dry mouth, nose, or throat;
  • upset stomach, loss of appetite, vomiting;
  • feeling excited or restless (especially in children);
  • sleep problems (insomnia); or
  • headache, dizziness.

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 guaifenesin and pseudoephedrine?

What other drugs will affect guaifenesin and pseudoephedrine?

Ask a doctor or pharmacist before using this medicine if you are also using any other drugs, including prescription and over-the-counter medicines, vitamins, and herbal products. Some medicines can cause unwanted or dangerous effects when used together. Not all possible interactions are listed in this medication guide.

Taking this medicine with other drugs that make you sleepy or slow your breathing can worsen these effects. Ask your doctor before taking guaifenesin and pseudoephedrine with a sleeping pill, narcotic pain medicine, muscle relaxer, or medicine for anxiety, depression, or seizures.

Where can I get more information?

Where can I get more information?

Your pharmacist can provide more information about guaifenesin and pseudoephedrine.

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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