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 Mucinex D Max Strength, Poly-Vent IR, Respaire-30, Robitussin Severe Congestion, Sinutab Non Drying, Triaminic Softchews Chest Congestion, Tusnel Pediatric Drops, Guaimax-D, Anatuss LA, Entex PSE, Touro LA, Medent, Fenex-PSE, Nalex, Syn-Rx, Respaire-60 SR, Nasabid, G-Phed, Respaire-120 SR, Guaibid D, Guaifed, Nalex Jr., G-Phed- PD, Sinufed Timecelles, Versacaps, Guaivent PD, Guaibid D Pediatric, Guaifed-PD, Pseudocot-G, Zephrex, Nasatab LA, Eudal SR, Medent LD, Sudal 60/500, Tuss-LA, Stamoist E, V-Dec-M, Deconsal L.A., D-Feda II, Guaifenex PSE 60, Demibid II, Guiadrine II, Iosal II, Guiatex II, Guiadrine II SR, Defen-LA, Respa-1st, Decongest II, Desal II, Deco-D, GP 500, Guaifed-PSE, Pan-Mist LA, Abletex-PSE, Guiadrine PSE 120, Guai-Vent/PSE, Guaifenex PSE 120, Hi Tex PSE, Guiatex PSE, Guai Sudo, Guaipax PSE, Iotex PSE, Ami-Tex PSE, Pseudo-G/PSI, Zaptec PSE, Zephrex LA, Ru Tuss DE, Robitussin PE, Guaifenex RX, Guaitab, Biotuss PE, Guiatuss PE, Mastussin PE, Mytussin PE, Q-Tussin PE, Robichem PE, T-Tussin PE, Tusscidin PE, Tussin PE, Sinufed, Venbid TR, Degen II, Pseudoephedrine-Guaifenesin, Robafen PE, Guaivent (Ethex), Altarussin PE, S-Pack, Sudafed Non Drying Sinus, Congestac, Uni Tussin PE, Humibid GC, Med-RX, Nasabid SR, Panmist LA, Panmist JR, H 9600 SR, Pseudovent, Pseudovent Ped, Aquatab D (obsolete1), Guaifenex GP, Dynex, Profen II, Profen Forte, Durasal II, Miraphen PSE, Guiadrine PSE, Guiatex II SR, We Mist LA, Coldmist, Aquatab D Dose Pack, Drituss GP, We Mist II LA, Panmist-S, Pseudo GG, Coldmist LA, Coldmist Jr, Sudal SR, Pseudo Max, Pseudovent 400, Levall G, Guaifenex PSE 80, Pseudatex, Touro LA-LD, Guaifenex PSE 85, Poly-Vent, Poly-Vent, Jr., Nomuc-PE, Maxifed-G, Ambi 60/580, Ambi 80/780, Ambi 60/1000, Pseudo GG TR, Ru-Tuss Jr., ExeFen, SudaTex-G, Medent-LDI, Ambifed, Tenar PSE, ExeFen-IR, Mucus Relief D, Mucus D
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