What Do Drug Suffixes Mean? A Helpful Guide
Decoding Drug Names: A Guide to Common Suffixes
Drug names can often seem complex and intimidating, but understanding some common suffixes can provide valuable clues about a medication’s class and intended use. This article aims to demystify drug nomenclature by exploring some of the most frequently encountered suffixes. It is crucial to remember that this information is for educational purposes only and should not be used for self-diagnosis or treatment. Always consult a healthcare professional for any health concerns or before making any decisions about your medication.
Why Suffixes Matter
Drug suffixes, while not the entire story, offer a helpful starting point for understanding a medication’s properties. They often indicate the drug’s class, mechanism of action, or the condition it treats. Recognizing these suffixes can aid in communication with healthcare providers and improve your understanding of prescribed medications.
Common Drug Suffixes and Their Meanings
| Suffix | Class | Clinical Use | Example | Notes |
|---|---|---|---|---|
| -ab | Monoclonal antibodies | Various (cancer, autoimmune) | Adalimumab | Target specific proteins |
| -ac | Anti-inflammatory | Pain, inflammation | Indomethacin | Many are NSAIDs |
| -alol | Combined alpha and beta blockers | Hypertension | Labetalol | |
| -amivir | Neuraminidase inhibitors | Influenza | Oseltamivir | Antiviral |
| -andr- | Androgens | Hormone replacement, hypogonadism | Testosterone | |
| -ase | Enzymes | Various | Alteplase | Can dissolve clots |
| -astine | H1-antihistamines | Allergies | Loratadine | |
| -azepam, -zolam | Benzodiazepines | Anxiety, insomnia | Diazepam, Alprazolam | |
| -bendazole | Anthelmintics | Worm infections | Mebendazole | |
| -butazone | NSAIDs | Pain, inflammation | Phenylbutazone | |
| -chol | Bile acid sequestrants | High cholesterol | Cholestyramine | |
| -conazole | Antifungals | Fungal infections | Fluconazole | |
| -cort, -onide, -isone, -pred | Corticosteroids | Inflammation | Hydrocortisone, Budesonide, Prednisone, Prednisolone | |
| -curium | Neuromuscular blockers | Muscle relaxation (surgery) | Pancuronium | |
| -dipine | Dihydropyridine calcium channel blockers | Hypertension, angina | Nifedipine | |
| -dronate | Bisphosphonates | Osteoporosis | Alendronate | |
| -ergotamine | Ergot alkaloids | Migraine | Ergotamine | |
| -fenac | NSAIDs | Pain, inflammation | Diclofenac | |
| -fibrate | Fibrates | High triglycerides | Gemfibrozil | |
| -gliptin | DPP-4 inhibitors | Type 2 diabetes | Sitagliptin | |
| -glitazone | Thiazolidinediones | Type 2 diabetes | Pioglitazone | |
| -icin/-mycin | Antibiotics (various) | Bacterial infections | Erythromycin, Vancomycin | Macrolides, aminoglycosides |
| -ilol | Beta blocker | Hypertension, heart failure | Carvedilol | |
| -ine | Various classes | Varies widely | Caffeine, Atropine | Be cautious, many meanings |
| -ipramine, -triptyline | Tricyclic antidepressants | Depression, anxiety | Imipramine, Amitriptyline | |
| -ium | Various classes | Varies widely | Atropium, Pancuronium | |
| -kacin | Aminoglycoside antibiotics | Bacterial infections | Amikacin | |
| -lamide | Carbonic anhydrase inhibitors | Glaucoma | Acetazolamide | |
| -lukast | Leukotriene receptor antagonists | Asthma | Montelukast | |
| -mantadine | Antivirals | Influenza A | Amantadine | |
| -mustine | Alkylating agents | Cancer | Carmustine | Chemotherapy drugs |
| -navir | Protease inhibitors | HIV | Ritonavir | Antiviral |
| -olol | Beta blockers | Hypertension, angina | Atenolol, Propranolol | |
| -olone | Anabolic steroids/Corticosteroids | Muscle building/Inflammation | Nandrolone/Triamcinolone | |
| -parin | Anticoagulants | Blood clots | Heparin | |
| -phylline | Methylxanthines | Asthma, COPD | Theophylline | |
| -pril | ACE inhibitors | Hypertension, heart failure | Lisinopril | |
| -prost | Prostaglandin analogs | Glaucoma | Latanoprost | |
| -quine | Antimalarials | Malaria | Hydroxychloroquine | |
| -relin | GnRH analogs | Infertility | Goserelin | |
| -rin | Anticoagulants | Blood clots | Warfarin | |
| -sartan | Angiotensin receptor blockers (ARBs) | Hypertension, heart failure | Valsartan, Losartan | |
| -setron | 5-HT3 receptor antagonists | Nausea, vomiting | Ondansetron | For chemotherapy nausea |
| -statin | HMG-CoA reductase inhibitors | High cholesterol | Lovastatin, Atorvastatin | |
| -steride | 5-alpha reductase inhibitors | BPH | Finasteride | |
| -sulfa | Sulfonamides | Bacterial infections | Sulfamethoxazole | Antibiotic |
| -tan | Angiotensin receptor blockers (ARBs) | Hypertension, heart failure | Valsartan, Losartan | |
| -tecan | Topoisomerase inhibitors | Cancer | Irinotecan | Chemotherapy drugs |
| -terol | Beta-2 agonists | Asthma, COPD | Albuterol | |
| -thiazide | Thiazide diuretics | Hypertension | Hydrochlorothiazide | |
| -tinib | Tyrosine kinase inhibitors | Cancer | Imatinib | Targeted therapy |
| -trel | Progestins | Contraception | Levonorgestrel |