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Dextromethorphan Hbr 20mg Guaifenesin 400mg

OTC Oral RxCUI 1147685
Contents

Overview

Active ingredient
Dextromethorphan Hydrobromide, Guaifenesin
Established class
Expectorant
Physiologic effect
Decreased Respiratory Secretion Viscosity; Increased Respiratory Secretions
Route
Oral
Label date
2026-03-05

Indications and usage

USES:

  • helps loosen phlegm (mucus) and thin bronchial secretions to rid the bronchial passageways of bothersome mucus and make coughs more productive
  • temporarily relieves o cough due to minor throat and bronchial irritation as may occur with the common cold or inhaled irritants o the intensity of coughing o the impulse to cough to help you get to sleep

Purpose

Dextromethorphan HBr 20 mg ......................................... Cough suppressant Guaifenesin 400mg ........................................................................ Expectorant

Dosage and administration

DIRECTIONS: Adults and children 12 years of age and older: Take 1 tablet every 4 hours with a full glass of water. Do not exceed 6 doses in 24 hours. Children under 12 years of age: Do not use

Do not use

for children under 12 year of age 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 the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.

Ask a doctor before use if

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

When using this product

this product do not use more than directed

Stop use and ask a doctor if

and ask a doctor if cough lasts more than 7 days, comes back, or occurs with fever, rash, or persistent headache. These could be sign of serious illness.

Pregnancy or breast-feeding

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

Active ingredient (label)

(in each tablet) Dextromethorphan HBr 20 mg Guaifenesin 400mg

Inactive ingredients

S: microcrystalline cellulose, sodium starch glycolate, stearic acid powder, colloidal silicon dioxide, magnesium stearate, hypromellose, polyethylene glycol, D&C yellow

Keep out of reach of children

OF CHILDREN. In case of accidental overdose, get medical help or contact a Poison Control Center (1-800-222-1222).