Overview Prefix, Root, or SuffixMedication ClassExample Medications-afilPhosphodiesterase inhibitor (erectile dysfunction)Vardenafil, sildenafil-aneInhalational general anestheticHalothane, desflurane-asoneCorticosteroidDexamethasone, hydrocortisone-azepamBenzodiazepineDiazepam, clonazepam-azinePhenothiazineChlorpromazine, promethazine-azoleAntifungalKetoconazole, fluconazole-bitalBarbituratePhenobarbital, secobarbital-caineLocal anestheticLidocaine, mepivacaine-cillinPenicillin antibioticMethicillin, amoxicillin-cyclineTetracycline antibiotic (protein synthesis inhibitor)Doxycycline, tetracycline-dazoleAntihelminthic, antibioticAlbendazole, metronidazole-dipineCalcium channel blockerAmlodipine, nifedipine-dronateBisphosphonate (bone resorption inhibitor)Alendronate, etidronate-eprazoleProton pump inhibitor (PPI)Omeprazole, esomeprazole-etineSSRIFluoxetine, paroxetine-fenacNSAIDDiclofenac, bromfenac-floxacinFluoroquinolones (antibiotic)Ciprofloxacin, levofloxacin-gliptinInhibitor of DPP-4 enzyme (antidiabetic)Saxagliptin, sitagliptin-glitazoneThiazolidinedione (antidiabetic)Pioglitazone, rosiglitazone-ipramineTCAImipramine, clomipramine-iramineAntihistamineChlorpheniramine, pheniramine-lamideCarbonic anhydrase inhibitorAcetazolamide, dorzolamide-mabMonoclonal antibodyAdalimumab, omalizumab-mustineAlkylating agent (antineoplastic)Carmustine, lomustine-mycinMacrolide antibiotic (protein synthesis inhibitor)Azithromycin, erythromycin-nacinMuscarinic antagonist (anticholinergic)Darifenacin, solifenacin-navirProtease inhibitorSaquinavir, ritonavir-ololβ antagonistPropranolol, metoprolol-oloneCorticosteroidPrednisolone, triamcinolone-operidolButyrophenone (neuroleptic)Haloperidol, droperidol-oxinCardiac glycoside (inotropic agent)Digoxin, digitoxin-parinAntithrombotic/anticoagulantEnoxaparin, heparin-phyllineXanthine (bronchodilator)Theophylline, aminophylline-prilACE inhibitorCaptopril, ramipril-profenNSAIDIbuprofen, fenoprofen-sartanAngiotensin II receptor blocker (ARB)Losartan, candesartan-semideLoop diureticFurosemide, torsemide-setron5-HT3 receptor antagonistOndansetron, granisetronsulfa-Antibiotic, anti-inflammatorySulfamethoxazole, sulfasalazine-tadineAntiviral (anti-influenza)Amantadine, rimantadine-terolβ2 agonist (bronchodilator)Albuterol, salmeterol-tidineH2 antagonistCimetidine, ranitidine-thiazideDiureticHydrochlorothiazide, chlorothiazide-tinibKinase inhibitor (anti-neoplastic)Imatinib, gefitinib-trelFemale hormonesNorgestrel, levonorgestrel-triptan5-HT1B/1D agonist (migraine)Sumatriptan, zolmitriptan-triptylineTCAAmitriptyline, nortriptyline-tropinPituitary hormoneSomatotropin-vir, -virinAntiviral (anti-HIV, hepatitis, herpes, CMV, influenza)Abacavir, ribavirin, valacyclovir, ganciclovir, oseltamivir-vudineAntiviral (nucleoside analogues)Lamivudine, zidovudine-zolamBenzodiazepineAlprazolam, triazolam-azosinα1 antagonistPrazosin, terazosin (exception: tamulosin)