- Rabeprazole
- Rabeprazole
- Rabeprazole Sodium
- Racecadotril
- Ractopamine
- Raloxifene
- Raltegravir
- Ramelteon
- Ramipril
- Ramosetron
- Ranitidine
- Ranolazine
- Rapamycin
- Rapidosept
- Rasagiline
- Ravunaconazole
- Rebamipide
- Reboxetine
- Regadenoson
- Regorafenib
- Relebactam
- Relugolix
- Remdesivir
- Remifentanil
- Remimazolam
- Remogliflozin
- Repaglinide
- Reproterol
- Resocortol
- Resveratrol
- Retinol
- Retinyl Palmitate
- Retrorsine
- Revefenacin
- Rhodamine
- Ribavirin
- Ribociclib
- Riboflavin
- Ridinilazole
- Rifabutin
- Rifampicin
- Rifamycin
- Rifapentine
- Rifaximin
- Rigosertib
- Rilpivirine
- Riluzole
- Rimegepant
- Riociguat
- Ripasudil
- Ripretinib
- Risdiplam
- Risedronic Acid
- Risperidone
- Ritonavir
- Rivaroxaban
- Rivastigmine
- Rizatriptan
- Robenacoxib
- Rocuronium
- Roflumilast
- Romidepsin
- Romifidine
- Ropinirole
- Ropivacaine
- Rosiglitazone
- Rosuvastatin
- Rotigotine
- Roxadustat
- Roxatidine
- Roxithromycin
- Rucaparib
- Rufinamide
- Rupatadine
- Rutin
- Ruxolitinib
