- rabbit anti-human thymocyte immunoglobulin
- rabeprazole sodium
- rabies vaccine
- rabies vaccine bp
- racecadotril
- racemic camphor
- radium-223 dichloride
- raloxifene hydrochloride
- raltegravir potassium
- raltitrexed
- ramipril
- ramucirumab
- ranibizumab
- ranitidine hydrochloride
- ranolazine
- rasagiline mesilate
- rasagiline tartrate
- rasburicase
- ravulizumab
- reboxetine
- recombinant cholera toxin b subunit
- regadenoson
- regorafenib
- remifentanil hydrochloride
- repaglinide
- reslizumab
- retapamulin
- reteplase
- retigabine
- retinol palmitate
- Rhodiola rosea root extract
- rhubarb extract
- ribavirin
- ribociclib succinate
- riboflavin
- rice powder
- rifabutin
- rifampicin
- rifaximin
- rilpivirine hydrochloride
- riluzole
- riociguat
- risankizumab
- risedronate sodium
- risperidone
- ritonavir
- rituximab
- rivaroxaban
- rivastigmine
- rivastigmine hydrogen tartrate
- rizatriptan
- rizatriptan benzoate
- rocuronium bromide
- roflumilast
- rolapitant
- rolapitant hydrochloride monohydrate
- romiplostim
- ropinirole
- ropinirole hydrochloride
- ropivacaine hydrochloride
- ropivacaine hydrochloride monohydrate
- rosuvastatin calcium
- rotigotine
- rubella vaccine
- rucaparib
- rufinamide
- rumex crispus tincture
- rupatadine fumarate
- ruxolitinib phosphate
- Rye grass pollen (Lolium perenne)
