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Understanding Common Medical Suffixes

Mar 17, 2025

Common Medical Suffixes

Suffixes Indicating Reference or Pertaining To

  • -ar, -ous: Referring to or pertaining to
    • Celiac: Pertains to the bowels
    • Gastric: Refers to the stomach
    • Venous: Refers to the veins

Suffixes Indicating Pain or Removal

  • -algia: Pain
    • Neuralgia: Pain along a nerve path
  • -aesis: Remove blood from the body
    • Aquapheresis: Removing blood to filter out water in congestive heart failure

Suffixes Indicating Weakness or Surgical Procedures

  • -aia: Weakness
    • Myasthenia Gravis: Serious muscle weakness
  • -centesis: To puncture surgically
    • Amniocentesis: Puncturing amniotic sac to remove fluid for testing

Suffixes Indicating Killing or Secretion

  • -cide: Killer
    • Fungicide: Kills fungi
  • -crine: To secrete
    • Endocrine: Glands that secrete hormones

Suffixes Indicating Cells, Running, or Expansion

  • -cyte: Cell
    • Erythrocyte: Red blood cell
  • -drome: Running or occurring
    • Syndrome: Signs or symptoms occurring together
  • -ectasis: Dilate or expand
    • Angiectasis: Dilation of blood vessels

Suffixes Indicating Cutting, Blood Conditions, or Carrying

  • -ectomy: To cut out
    • Tonsillectomy: Removal of tonsils
  • -emia: Blood condition
    • Anemia: Condition of lacking blood cells
  • -ferent: To carry
    • Afferent: Carry signals to the central nervous system

Suffixes Indicating Driving Away, Causing, or Recording

  • -fuge: To drive away
    • Centrifuge: Drives away red blood cells in a lab setting
  • -gen: To produce or cause
    • Carcinogen: Causes cancer
  • -gram: To record or draw
    • Mammogram: X-ray picture of breast tissue

Suffixes Indicating Conditions, Specialties, or States

  • -ia: Condition
    • Pneumonia: Condition affecting the lungs
  • -iatrics: Specialty
    • Pediatrics: Care of children
  • -ism, -osis, -ty: State or condition
    • Hypothyroidism: State of an underactive thyroid

Suffixes Indicating Inflammation, Study, or Breakdown

  • -itis: Inflammation
    • Dermatitis: Inflammation of the skin
  • -logy, -logist: Study or study of
    • Nephrology: Study of the kidneys
  • -lysis: To break apart
    • Hemolysis: Breakdown of red blood cells

Suffixes Indicating Obsession, Weakening, or Enlargement

  • -mania: Obsession
    • Kleptomania: Obsession with stealing
  • -malacia: Weakening or softening
    • Osteomalacia: Softening of bones
  • -megaly: Enlargement
    • Splenomegaly: Enlargement of the spleen

Suffixes Indicating Tumors, Vision, or Disease

  • -oma: Tumor
    • Sarcoma: Tumor from connective tissue
  • -opia: Vision
    • Myopia: Nearsightedness
  • -pathy: Disease or suffering
    • Neuropathy: Disease of the nerves

Suffixes Indicating Weakness, Decrease, or Digestion

  • -paresis: Weak or paralyzed
    • Gastroparesis: Stomach paralysis causing delayed emptying
  • -penia: Decrease or lacking
    • Leukopenia: Lack of white blood cells
  • -pepsia: Digestion
    • Dyspepsia: Indigestion

Suffixes Indicating Fear, Growth, or Living Substance

  • -phobia: Fear
    • Lilapsophobia: Fear of storms
  • -plasia: Growth or development
    • Hyperplasia: Abnormal cell growth
  • -plasm: Living substance
    • Cytoplasm: Living substance of the cell

Suffixes Indicating Reshaping, Paralysis, or Breathing

  • -plasty: To reshape
    • Rhinoplasty: Reshaping of the nose
  • -plegia: Paralysis
    • Quadriplegia: Paralysis of all four limbs
  • -pnea: Breathing
    • Apnea: Without breathing

Suffixes Indicating Production, Sagging, or Bleeding

  • -poiesis: To make or produce
    • Erythropoiesis: Production of red blood cells
  • -ptosis: Sagging or dropping down
    • Hysteroptosis: Dropping of the uterus
  • -rrhagia, -rrhage: Heavy bleeding
    • Hemorrhage: Internal bleeding

Suffixes Indicating Discharge, Hardening, or Tools

  • -rrhea: Flow or discharge
    • Diarrhea: Fluid discharge
  • -sclerosis: Hardening
    • Atherosclerosis: Hardening of arteries
  • -scope: Tool for seeing
    • Microscope: Tool to see small objects

Suffixes Indicating Examination, Spasms, or Balancing

  • -scopy: Examination
    • Colonoscopy: Examining the colon
  • -spasm: Twitching or contractions
    • Bronchospasm: Contraction of bronchi
  • -stasis: Ceasing or balance
    • Homeostasis: Balancing in the body

Suffixes Indicating Narrowing, Openings, or Birth

  • -stenosis: Narrowing or closing
    • Artery stenosis: Narrowing of arteries
  • -stomy: Creating an opening
    • Colostomy: Opening in the colon
  • -tocia: Birth process
    • Dystocia: Difficult birth

Suffixes Indicating Cutting, Growth, or Urine

  • -tomy: To cut
    • Hysterectomy: Removal of the uterus
  • -trophy: Growth or nourishment
    • Atrophy: Lack of growth
  • -uria: Urine
    • Hematuria: Blood in urine

This wraps up the common medical suffixes. For more information, additional resources and videos are available.