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Before You Buy Robitussin DM

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Updated April 10, 2014

Robitussin DM is an over-the-counter cough suppressant and expectorant. Robitussin DM helps control your cough and thin secretions so the cough is more productive.

Active Ingredients (in each 5ml teaspoon):

Dextromethorphan HBr 10mg (cough suppressant)
Guafenisen 100mg (expectorant)

Dosage:

Adults 12 and older - Two teaspoons every four hours as needed for cough. Do not take more than six doses in 24 hours.
Children ages six to 12 - One teaspoon every four hours. Do not take more than six doses in 24 hours.
Children ages two to six - One half (1/2) teaspoon every four hours. Do not take more than six doses in 24 hours.
Children under age two - Ask your doctor.

Uses for Robitussin DM:

Temporary relief of cough due to throat irritation from:

  • Common Cold
  • Flu
  • Inhaled Irritants

Helps loosen phlegm (mucous) and thins bronchial secretions to make cough more productive.

Side Effects of Robitussin DM:

  • Drowsiness or dizziness
  • Hives or skin rash
  • Nausea, stomach pain or vomiting

Rare but serious side effects that should be reported to your doctor immediately:

  • Confusion
  • Excitement, nervousness or restlessness
  • Severe nausea and vomiting
  • Slurred speech
  • Seizures or convulsions - in children
  • Shakey movements - in children
  • Slow or troubled breathing - in children

Warnings:

  • Do not use this medication if you are taking an MAOI (medication for depression, psychiatric, emotional conditions or Parkinson's disease) or for two weeks after stopping an MAOI.
  • Ask a Doctor Before Use:

    • If you have a chronic cough that is caused by asthma, smoking or emphysema
    • If you have a cough that produces a lot of mucous
    • If you are pregnant or breastfeeding

    Caution:

    Stop use and ask doctor if:

    • Pain or cough worsens or lasts more than seven days
    • Cough occurs with fever, headache or rash won't go away

    More Information:

    Source:

    "Robitussin Cough Product Labeling." Wyeth Consumer Healthcare 2007. 11 May 2007.

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