G-Supress DX Dextromethorphan Hydrobromide, Guaifenesin, Phenylephrine Hydrochloride

Get an overview of G-SUPRESS DX (dextromethorphan hydrobromide, guaifenesin, phenylephrine hydrochloride syrup), including its generic name, formulation (i.e. pill, oral solution, injection, inhaled medicine) and why it’s used. The medication in G-Supress DX can be sold under different names.

Refer to the “Also Known As” section to reference different products that include the same medication as G-Supress DX.

Drug Basics

Brand Name: G-Supress DX



Route: ORAL

Dosage Form: SYRUP

Data Current As Of: 2018-12-31

Drug Facts

active ingredients (in each 1ml)

Dextromethorphan HBr, 5mg

Guaifenesin, 50mg

Phenylephrine HCl, 2.5mg


Cough Suppressant


Nasal Decongestant


  • helps loosen phlegm (mucus) and thin bronchial secretions to drain bronchial tubes and make coughs more productive
  • temporarily relieves:

     nasal congestion due to hay fever or other upper respiratory allergies (allergic rhinitis)

     cough due to minor throat and bronchial irritation as may occur with the common cold


Do not use in a child who is 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 the MAOI drug. If you do not know if your child's prescription drug contains an MAOI, ask a doctor or pharmacist before giving this product.

Ask a doctor before use if the child has
heart disease thyroid disease high blood pressure
cough that occurs with too much phlegm (mucus)
cough that lasts or is chronic such as occurs with asthma

When using this product do not exceed recommended dosage.

Stop use and ask a doctor if
your child gets nervous, dizzy, or sleepless
symptoms do not get better within 7 days or are accompanied by fever
cough lasts more than 7 days, comes back, or is accompanied by fever, rash, or persistent headache. These could be signs of a serious condition.

Keep out of the reach of children. In case of accidental overdose, get medical help or contact a Poison Control Center right away.


  • do not use more than 6 doses in any 24 hour period.
  • repeat every 4 hours.
  • measure with the dosage device provided. Do not use with any other device.
  • children 2 to under 6 years of age, 1 mL.
  • children under 2 years of age, consult a doctor.

other information

  • Tamper Evident Feature: Do not use if cap seal is torn, broken or missing. For your protection, this bottle has an imprinted seal around the neck.
  • Store at controlled room temperature 15-30°C (59-86°F).
  • Avoid excessive heat and humidity.

inactive ingredients

citric Acid, FD&C red 40, flavor, glycerin, methylparaben, propylene glycol, propylparaben, purified water, sodium citrate and sodium saccharin.

Compare to Suppress-DX®

By the makers of Suppress-DX®




Cherry Flavor

Sugar & Alcohol FREE

Manufactured in the USA for Kramer-Novis, San Juan, PR 00917 - Tel: (787) 767-2072

also known as

This drug label information is as submitted to the Food and Drug Administration (FDA) and is intended for informational purposes only. If you think you may have a medical emergency, immediately call your doctor or dial 911. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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