R → Ra-Rz
Ra-Rz
- R-Tannate
- Re-Tann
- Relacon LAX
- Relacon-DM NR
- Relacon-HC NR
- Relenza
- Rescon-GG
- Respa-DM
- RespaHist II
- Respaire-120 SR
- Respi-TANN
- Respi-Tann G
- Respi-Tann Pd
- Rhinabid
- Rhinabid PD
- Rhinaclear
- Robafen AC
- Robitussin
- Robitussin Cold and Cough
- Robitussin Cough & Cold Long-Acting
- Robitussin Cough & Congestion
- Robitussin CoughGels
- Robitussin Head & Chest Congestion
- Robitussin Honey Cough
- Robitussin Maximum Strength
- Robitussin Pediatric Cough and Decongestant
- Robitussin Pediatric Cough Suppressant
- Robitussin Severe Congestion
- Robitussin-AC
- Ru-Tuss Jr.