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Guaifenesin and pseudoephedrine
  • Treatments
  • Cough and Nasal Congestion

Guaifenesin and pseudoephedrine

Generic name: guaifenesin and pseudoephedrine [ gwye-FEN-e-sin, SOO-doe-ee-FED-rin ]
Brand names: Ambifed-G, Despec-SR, Entex T, Maxifed, Mucinex D, ... show all 147 brands
Dosage forms: oral capsule (150 mg-30 mg; 200 mg-30 mg); oral liquid (50 mg-7.5 mg/mL); oral tablet (375 mg-60 mg; 380 mg-60 mg; 400 mg-20 mg; 400 mg-45 mg; 400 mg-60 mg); oral tablet, chewable (50 mg-15 mg); oral tablet, extended release (1200 mg-120 mg; 1200 mg-75 mg; 600 mg-60 mg; 800 mg-120 mg)
Drug class:Upper respiratory combinations

Medically reviewed by Drugs.com on Apr 25, 2022. Written by Cerner Multum.

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 n