Common Medication Prefixes and Suffixes Cheatsheet

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This nursing cheatsheet will help you learn about common medication prefixes and suffixes, which are vital in identifying and understanding various drug classes. For example, the prefix “ceph-” indicates Cephalosporins, as in cephalexin​​. The suffix “-actone” refers to potassium-sparing diuretics like spironolactone​​, while “-cillin” is associated with penicillins such as ampicillin​​. The suffix “-cyclovir” is typically found in antiviral medications like acyclovir​​. Antimicrobials often end in “-dazole,” as in metronidazole​​, and proton pump inhibitors use “-prazole,” like omeprazole​​. ACE inhibitors are identified by the suffix “-prill,” such as lisinopril​​. The suffix “-sartan” denotes Angiotensin II receptor antagonists, used as antihypertensives​​, while “-sone” indicates corticosteroids like prednisone​​. The “-statin” suffix is used for cholesterol-lowering drugs, like rosuvastatin​​, and “-thiazide” signifies Thiazide diuretics​​. H2 receptor antagonists often end in “-tidine,” like ranitidine​​, and antivirals typically have “-vir” in their names​​. Finally, “-zepam” and “-zolam” are found in benzodiazepines, such as lorazepam​​.