Medique® Guaicon DMS InstyDose®

Compare active ingredient to Robitussin® Cough + Chest Congestion DM



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Medi-First® Brand


Product Information

Alcohol-free and sugar-free relief of coughs associated with colds and flu.

  • Unit dose liquid packets

Each 10 ml packet contains:
Dextromethorphan HBr 20 mg
Guaifenesin 200 mg


Available in the following package sizes:
20 - 10 ml Pkts- Item 21771



Drug Facts Information


Active ingredient (in each 10 ml): Dextromethorphan HBr 20 mg
Purpose: Cough suppressant

Active ingredient (in each 10 ml): Guaifenesin 200 mg
Purpose: Expectorant

Inactive ingredients
citric acid, FD&C red #40, flavor, glycerin, methylparaben, propylene glycol, propylparaben, purified water, sodium citrate, sucralose


helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passages of bothersome mucus, drain bronchial tubes, and make coughs more productive
suppresses cough due to minor throat and bronchial irritation associated with a cold or inhaled irritants


Do not use
more than the recommended dose
if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric or emotional conditions, or Parkinson’s disease), or for 2 weeks after stopping MAOI drug. If you do not know if your prescription drug contains an MAOI, consult a doctor or pharmacist before taking this product.

Stop use and ask a doctor if
new symptoms occur
cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache. These are signs of a serious condition.

Ask a doctor before use if you have a
persistent or chronic cough such as occurs with smoking, asthma, chronic bronchitis, or emphysema
cough accompanied by excessive phlegm (mucus)

If pregnant or breast-feeding, ask a health professional before use.

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center right away. Prompt medical attention is critical for adults as well as for children even if you do not notice any signs or symptoms.


Adults and children: (12 years and older) Take 2 teaspoons (10 ml) every 4 hours as needed, do not exceed 12 teaspoons (6 doses) in 24 hours, or as directed by a doctor.

Children under 12 years: Do not give to children under 12 years of age.

Other Information

tamper-evident, do not use if container is torn, cut or opened
store at controlled room temperature 59º-86ºF (15º-30ºC)
avoid excessive heat and humidity


Questions? Please contact us at 1-800-634-7680

Medique Products takes great care to ensure that the product you take is completely safe. This website contains current product information as of 7/31/20 and may differ from the information on the product packaging you may have.


Robitussin® is a registered trademark of Pfizer Consumer Healthcare.