Dextromethorphan, guaifenesin, and phenylephrine

Generic name: dextromethorphan, guaifenesin, and phenylephrine [ dex-troe-meth-OR-fan, gwye-FEN-e-sin, fen-il-EFF-rin ]
Brand names: Broncotron-D, Duravent DM, Giltuss, Mucinex Fast-Max Severe Congestion and Cough, Phlemex Forte, ... show all 89 brands Robitussin Children's Cough and Cold CF, Tusicof, Tussin CF, Vanacof DM, Z-tuss DM, Tussex, Tussafed-EX, Sinutuss DM, GDP-EX, Duraphen DM, TriTuss, TriTuss-ER, Tussafed-EX Drops, Certuss-D, Dacex-PE, Anextuss, Dexcon-PE, Zotex LAX, Dacex-DM, Dexcon-DM, Duraphen II DM, Duraphen Forte, Maxiphen DM, G-Phen DM, Despec DM Syrup, Phlemex-PE, Guaphen Forte, Guaphen II DM, Z-Dex, Robafen CF, DuraMAX, Tusso-XR, Tusso-DM, Robitussin Cough and Cold CF, Ambi 40/1000/60, Maxiphen-G DM, Robitussin Pediatric Cough and Cold CF, Deconex DM, PDM GG, ExeTuss-DM, Endacon DM, Giltuss TR, Q-Tussin CF, Tusso-DMR, Deconex DMX, Execof ER, Dynatuss EX, Zotex, Robitussin Cough and Cold CF To Go, Zotex-EX, Endacon, Robitussin Cough and Cold CF Max, Mucinex Children's Multi-Symptom Cold, Supress-DX, Tussi-Pres, Tussi-Pres Pediatric, Pres Gen Pediatric, Pres Gen, Robitussin Multi-Symptom Cold, Robitussin Peak Cold Max Strenth Multi-S, G-Tusicof, Adult Severe Congestion and Cough, Giltuss Pediatrics, Desgen DM (Phenylephrine), G-Supress DX, Tusslin, Desgen Pediatric, G-Tron Ped, Broncotron Ped, Tusslin Pediatric, Nivanex DMX, Relhist DMX, Giltuss Cough and Cold, Children Giltuss Cough and Cold, VanaTab DM, Tukol Cough and Cold, Robitussin Peak Cold Multi-Symptom Cold, Deconex DMX Poly, Mucinex Fast-Max Severe Congestion and Cough Clear and Cool, Mucinex FreeFrom Severe Congestion and Cough, Mucinex Children's Congestion and Cough Very Berry, Mucinex Children's FreeFrom Multi-Symptom Cold Stuffy Nose, VanaCof DMX, Mucinex Junior Cough and Cold
Dosage forms: oral liquid (10 mg-200 mg-5 mg/30 mL; 10 mg-200 mg-5 mg/5 mL; 15 mg-350 mg-10 mg/5 mL; 18 mg-200 mg-10 mg/15 mL; 20 mg-200 mg-10 mg/10 mL; 20 mg-400 mg-10 mg/20 mL; 20 mg-400 mg-10 mg/5 mL; 28 mg-388 mg-10 mg/5 mL; 29 mg-390 mg-10 mg/5 mL; 5 mg-100 mg-2.5 mg; 5 mg-100 mg-2.5 mg/5 mL; 5 mg-100 mg-2.5 mg/mL; 5 mg-50 mg-2.5 mg/5 mL; 5 mg-50 mg-2.5 mg/mL; 5 mg-75 mg-2.5 mg/5 mL); oral suspension (20 mg-200 mg-5 mg/5 mL); oral syrup (10 mg-100 mg-5 mg/5 mL; 15 mg-100 mg-5 mg/5 mL; 15 mg-300 mg-10 mg/5 mL; 25 mg-175 mg-12.5 mg/5 mL; 30 mg-200 mg-10 mg/5 mL); oral tablet (10 mg-200 mg-5 mg; 15 mg-350 mg-12 mg; 15 mg-380 mg-10 mg; 15 mg-395 mg-10 mg; 17.5 mg-385 mg-10 mg; 17.5 mg-400 mg-10 mg; 20 mg-400 mg-10 mg; 28 mg-388 mg-10 mg; 5 mg-100 mg-2.5 mg; 9 mg-198 mg-5 mg); oral tablet, extended release (30 mg-1000 mg-20 mg; 30 mg-1200 mg-30 mg)
Drug class:Upper respiratory combinations

Medically reviewed by Drugs.com on Feb 18, 2022. Written by Cerner Multum.

What is dextromethorphan, guaifenesin, and phenylephrine?

Dextromethorphan is a cough suppre