remikiren
A renin inhibitor under development for the treatment of hypertension.

remimazolam
A benzodiazepine drug.

remogliflozin
Synonym of remogliflozin etabonate.

renanolone
A semisynthetic neuroactive steroid.

renografin
diatrizoate

rentiapril
An ACE inhibitor.

renzapride
A gastroprokinetic agent and antiemetic.

repaglinide
A meglitinide drug C₂₇H₃₆N₂O₄ (trademark Prandin) that stimulates insulin release and is taken orally to treat type 2 diabetes.

reproterol
A β₂-adrenergic receptor agonist used in the treatment of asthma.

reprotoxicant
Any reprotoxic material

reprotoxicants
plural of reprotoxicant

rescimetol
An antihypertensive drug.

rescinnamine
An ACE inhibitor used as an antihypertensive drug.

reserpinine
Synonym of rescinnamine.

residronate
Misspelling of risedronate.

resiglitazone
Misspelling of rosiglitazone.

reslizumab
A humanized monoclonal antibody under investigation for the treatment of eosinophil-meditated inflammations of the airways, skin and gastrointestinal tract.

resmetirom
A medication for the treatment of non-cirrhotic non-alcoholic steatohepatitis.

resminostat
an antineoplastic agent

respule
A small plastic container that contains liquid, usually a medicine used for nebulizers.

respules
plural of respule

reteplase
A modified form of human tissue plasminogen activator, used as a thrombolytic drug.

retifanlimab
A particular monoclonal antibody

retigabine
An anticonvulsant drug.

revatropate
An antimuscarinic drug.

reviparin
An antithrombotic belonging to the group of low-molecular-weight heparins.

revospirone
A selective 5-HT_(1A) receptor partial agonist of the azapirone class.

revumenib
A particular anticancer medication.

ridaforolimus
An investigational inhibitor of the protein mTOR (mammalian target of rapamycin).

rifamide
Any amide of rifamycin.

rifamides
plural of rifamide

rifampins
plural of rifampin

rigosertib
A synthetic benzyl styryl sulfone undergoing clinical trials as an anticancer agent.

rilmazafone
A benzodiazepine sedative

rilpivirine
A drug used to treat HIV infection.

riluzole
A drug used to treat amyotrophic lateral sclerosis.

rilzabrutinib
An oral, reversible covalent inhibitor of Bruton's tyrosine kinase.

rimantidine
Alternative form of rimantadine.

rimexolone
A glucocorticoid steroid used to treat inflammation of the eye.

rintatolimod
A medication for the treatment of chronic fatigue syndrome.

ripasudil
A drug derived from fasudil and used to treat glaucoma and ocular hypertension.

ripretinib
A drug for the treatment of advanced gastrointestinal stromal tumor.

risankizumab
A monoclonal antibody used to treat psoriasis and similar conditions

risedronate
The conjugate base, or any salt or ester, of risedronic acid, used as a medication to inhibit bone loss in disorders of bone metabolism.

risedronates
plural of risedronate

risendronate
Misspelling of risedronate.

risocaine
The local anesthetic propyl 4-aminobenzoate.

risoglitazone
Misspelling of rosiglitazone.

ritlecitinib
A medication belonging to the class of Tec/Janus kinase inhibitors, used for the treatment of alopecia areata.

ritodrine
A sympathomimetic drug (beta-adrenoreceptor agonist) given by intravenous infusion in the form of its hydrochloride C₁₇H₂₁NO₃·HCl to reduce uterine contractility and arrest premature labor.

ritonavir
An antiretroviral drug C₃₇H₄₈N₆O₅S₂ of the protease inhibitor class that is administered orally to treat HIV-infected and AIDS patients.

ritux
Rituximab.

rituximab
A chimeric monoclonal antibody (trademark Rituxan) administered by intravenous injection especially to treat non-Hodgkin lymphoma and chronic lymphocytic leukemia by binding to the protein CD20 found on the surface of B cells and causing their lysis.

rituximabs
plural of rituximab

rituximub
Misspelling of rituximab.

rivaroxaban
An anticoagulant drug C₁₉H₁₈ClN₃O₅S (trademark Xarelto) that inhibits the activity of factor X and is taken orally especially to prevent and treat deep vein thrombosis and pulmonary embolism and to reduce the risk of stroke related to atrial fibrillation.

rivoglitazone
A thiazolidinedione derivative used to treat diabetes.

robatumumab
A monoclonal antibody and antineoplastic.

rociletinib
A drug used to treat lung cancer

rocuronium
An aminosteroid nondepolarizing neuromuscular blocker used in anesthesia, to facilitate endotracheal intubation, and to provide skeletal muscle relaxation during surgery or mechanical ventilation.

rofecoxib
A COX-2 inhibitor C₁₇H₁₄O₄S (trademark Vioxx) used to relieve the signs and symptoms of osteoarthritis and rheumatoid arthritis, to manage acute pain in adults, and to treat primary dysmenorrhea but withdrawn from sale by the manufacturer because of its link to cardiovascular events (as heart attack and stroke).

roflurane
2-bromo-1,1,2-trifluoroethyl methyl ether, a halocarbon drug investigated as an inhalational anesthetic but never marketed.

rogaratinib
An amino acid amide that inhibits the fibroblast growth factor

rolicyclidine
A dissociative anesthetic drug with hallucinogenic and sedative effects.

romosozumab
An antibody used to treat osteoporosis

ronidazole
An antiprotozoal agent used in veterinary medicine for the treatment of histomoniasis and swine dysentery.

rontalizumab
A humanized monoclonal antibody being investigated for the treatment of systemic lupus erythematosus.

ropinirole
A particular dopamine agonist used in the treatment of Parkinson's disease.

ropivacaine
A local anesthetic drug belonging to the amino amide group.

roquinimex
A quinoline-derived immunostimulant.

rosiglitazone
A thiazolidinedione derivative (trademark Avandia) taken orally in the form of its maleate C₁₈H₁₉N₃O₃S·C₄H₄O₄ to treat type 2 diabetes by decreasing insulin resistance.

rosuvastatin
A statin (trademark Crestor) that is administered orally in the form of its calcium salt Ca(C₂₂H₂₇FN₃O₆S)₂ especially to treat hypercholesterolemia.

rotigaptide
A peptide analog used in the treatment of cardiac arrhythmia.

rovelizumab
A humanized monoclonal antibody that was an experimental immunosuppressive drug intended to treat patients suffering from haemorrhagic shock by suppressing white blood cells.

roxadustat
A drug used to treat anemia

roxatidine
A particular H₂ receptor antagonist.

roxithromycin
A semisynthetic derivative of erythromycin.

rozanolixizumab
A monoclonal antibody used to treat myasthenia gravis.

roziglitazone
Alternative form of rosiglitazone.

rufinamide
A triazole derivative used as an anticonvulsant

ruplizumab
A humanized monoclonal antibody intended for the treatment of rheumatic diseases.

ruxolitinib
A medication belonging to the class of Janus kinase inhibitors, used for the treatment of several diseases including myelofibrosis and polycythemia vera.

sacubitril
An antihypertensive drug used in combination with valsartan to treat heart failure.

safinamide
A drug used in the treatment of Parkinson's disease.

salantel
An anthelminthic drug.

salazopyrin
Synonym of sulfasalazine.

salazopyrine
Alternative form of salazopyrin.

salbutamol
A synthetic bronchodilator, with the chemical formula C₁₃H₂₁NO₃, used to treat bronchospasm associated especially with asthma and chronic obstructive pulmonary disease.

salicylsalicylate
Synonym of salsalate.

salirasib
A particular Ras inhibitor.

salmefamol
A beta-adrenergic agonist.

salmeterol
A bronchodilator administered by oral inhalation in the form of a salt C₂₅H₃₇NO₄·C₁₁H₈O₃ to treat bronchospasm associated especially with asthma and chronic obstructive pulmonary disease. It acts as an agonist, binding to beta-receptors that mediate the relaxation of bronchial muscles.

salsalate
A nonsteroidal anti-inflammatory drug.

salumin
ammoniated aluminum salicylate, used as an astringent and disinfectant in rhinitis and pharyngitis

salyrgan
Synonym of mersalyl

samalizumab
A humanized monoclonal antibody designed for oncology indications.