Healthcare can often seem like a complex world full of unfamiliar language and technical jargon. Whether you’re visiting your local GP for a routine check-up or managing a long-term health condition, having a solid grasp of common medical terminology can empower you to take charge of your well-being. This glossary, tailored especially for families and individuals in Warrawong and the wider Illawarra region, offers a clear, alphabetically organised guide to essential medical terms frequently encountered in Australian general practice.
At King Street Medical, a modern, family-friendly clinic in Warrawong, we believe that informed patients are healthier patients. A 2023 study by the Australian Institute of Health and Welfare found that over 80% of Australians visited a GP at least once a year, yet many still report feeling confused or overwhelmed by medical terms during consultations. That’s why we’ve created this comprehensive glossary, covering everything from chronic disease management to immunisation schedules, to help you navigate the healthcare system with confidence.
A
- Acute – A condition with a rapid onset and/or short duration.
- Allergy – A reaction by the immune system to substances that are usually harmless.
- Anaemia – A condition where there’s a deficiency of red blood cells or haemoglobin.
- Asthma management – A personalised healthcare plan that includes medication, lifestyle changes, and monitoring to control asthma symptoms and prevent flare-ups.
- Analgesic – A drug used to relieve pain.
- Anaphylaxis – A severe, potentially life-threatening allergic reaction.
- Antibiotic – A medication used to treat bacterial infections.
- Antibody – A protein produced by the immune system to fight off pathogens.
- Antigen – A substance that causes the immune system to produce antibodies.
- Auscultation – Listening to the sounds of the body during a physical examination, often using a stethoscope.
B
- Benign – Non-cancerous; not harmful in effect.
- Biopsy – The removal of tissue for diagnostic examination.
- Blood pressure – The force of blood against artery walls; measured in mmHg.
- BMI (Body Mass Index) – A measurement of body fat based on height and weight.
- Bronchitis – Inflammation of the lining of bronchial tubes, often due to infection.
- Bulk billing – A payment option under Medicare where the service provider bills the government directly.
- Booster shot – An additional dose of a vaccine to maintain immunity.
C
- Cardiovascular disease – Disorders of the heart and blood vessels.
- Carcinogen – A substance capable of causing cancer.
- Cholesterol – A fatty substance in blood; high levels can increase heart disease risk.
- Chronic condition – A long-lasting health issue like diabetes or arthritis.
- Clinical trial – Research study to evaluate the effectiveness of medical treatments.
- CT scan – A medical imaging method using X-rays and a computer.
- Cytology – The study of cells, often used in cancer diagnosis.
D
- Diabetes – A chronic condition that affects how the body processes blood sugar.
- Diagnosis – The identification of the nature of an illness.
- Diastolic – The bottom number in a blood pressure reading.
- Dosage – The amount and frequency of medication.
- Dyslipidemia – Abnormal amount of lipids in the blood.
- Dyspnoea – Difficulty or discomfort in breathing.
- Dementia – A progressive neurological condition that affects memory, thinking, behaviour, and the ability to perform everyday activities.
“As of 2023, approximately 411,000 Australians were living with dementia, equating to 15 per 1,000 people, and 84 per 1,000 among those aged over 65.”
E
- Eczema – A skin condition causing itchy and inflamed patches.
- Electrocardiogram (ECG) – A test that records the heart’s electrical activity.
- Endoscopy – A procedure to examine the inside of the body using a tube with a camera.
- ENT – Ear, Nose, and Throat; a medical specialty.
- Epidemiology – The study of how diseases affect populations.
- Epilepsy – A neurological condition involving recurrent seizures.
- Excision – Surgical removal of tissue.
F
- Fever – Elevated body temperature, often due to infection.
- First aid – Immediate assistance given in a medical emergency.
- Fracture – A break or crack in a bone.
- Folic acid – A B-vitamin essential during pregnancy.
- Flu – A contagious respiratory illness caused by influenza viruses.
- Fungal infection – Infection caused by fungi like athlete’s foot or thrush.
G
- Gastroenteritis – Inflammation of the stomach and intestines, causing diarrhoea and vomiting.
- General Practitioner (GP) – A doctor who provides primary healthcare to patients.
- Glucose – A simple sugar and an important energy source.
- Gynaecology – The medical practice dealing with women’s reproductive systems.
- Genetics – Study of heredity and inherited conditions.
H
- Haemoglobin – A protein in red blood cells that carries oxygen.
- Hypertension – High blood pressure.
- Hypoglycemia – Low blood sugar.
- Histology – Study of the microscopic structure of tissues.
- HRT (Hormone Replacement Therapy) – Treatment for menopausal symptoms.
- Holistic health – Approach considering physical, emotional, and social wellbeing.
I
- Immunisation – Process of becoming immune to a disease, often through vaccination.
- Inflammation – The body’s response to injury or infection.
- Infection – Invasion of the body by harmful microorganisms.
- Insulin – A hormone that regulates blood glucose.
- IV (Intravenous) – Administration of fluids or medications directly into a vein.
J
- Jaundice – Yellowing of the skin and eyes due to high bilirubin levels.
- Joint – The point where two bones meet.
- Juvenile arthritis – Autoimmune disease in children causing joint inflammation.
K
- Kidney function test – Measures how well your kidneys are working.
- Keloid – Raised scar that grows excessively.
- Keratin – A protein in skin, hair, and nails.
- Knee replacement – Surgical procedure to replace damaged knee joints.
L
- Lactose intolerance – Inability to digest lactose found in dairy products.
- Lesion – An area of abnormal tissue.
- Lipid profile – Blood test measuring cholesterol and triglycerides.
- Local anaesthetic – Medication to numb a specific area during procedures.
- Lymph nodes – Small glands that help fight infection.
M
- Malignant – Cancerous and harmful.
- MRI (Magnetic Resonance Imaging) – Imaging technique using magnetic fields.
- Melanoma – A dangerous form of skin cancer.
- Menopause – The natural end of menstruation.
- Mental health – Emotional, psychological, and social well-being.
- Metabolism – Chemical processes that occur within the body.
N
- Nausea – The sensation of wanting to vomit.
- Neurology – Study of the nervous system.
- Nodule – A small swelling or lump.
- NSAIDs – Nonsteroidal anti-inflammatory drugs for pain relief.
- Nutrient – A substance essential for growth and health.
O
- Obesity – Excessive body fat that increases health risks.
- Osteoporosis – A condition causing bones to become weak and brittle.
- Otitis media – Middle ear infection.
- Outpatient – A patient who receives care without being admitted to hospital.
- Oxygen saturation – The amount of oxygen in the blood.
P
- Paediatrics – Medical care of infants, children, and adolescents.
- Pathology – Study of disease causes and effects.
- Palliative care – Comfort care for serious illness.
- Pap smear – A test for cervical cancer screening.
- Pharmacology – Study of drugs and their effects.
- Physiotherapy – Treatment to restore movement and function.
Alt: Group of Doctors Standing
Q
- Quarantine – Isolation to prevent the spread of disease.
- Q fever – A bacterial infection that spreads from animals to humans.
- Quadriceps – A group of muscles on the front of the thigh.
R
- Radiology – The use of imaging to diagnose and treat disease.
- Referral – A recommendation to see a specialist.
- Respiratory system – Organs involved in breathing.
- Rheumatoid arthritis – Autoimmune condition causing joint inflammation.
- Routine check-up – Regular health examination.
S
- Screening – Testing for diseases before symptoms appear.
- Skin cancer – Uncontrolled growth of abnormal skin cells.
- Sutures – Stitches used to close wounds.
- Symptom – A sign of illness felt by the patient.
- Steroids – Drugs that reduce inflammation.
- Sexual health checks – Routine screenings that assess for sexually transmitted infections (STIs), reproductive health concerns, and overall sexual well-being.
- Specialist – A doctor with advanced knowledge in a specific area.
T
- Tetanus – A bacterial infection that affects the nervous system.
- Thermometer – Device used to measure body temperature.
- Thyroid – A gland regulating metabolism.
- Triage – The process of prioritising patients based on severity.
- Tuberculosis (TB) – A bacterial infection that affects the lungs.
U
- Ultrasound – Imaging technique using sound waves.
- Urology – Medical specialty focused on urinary and male reproductive systems.
- Urinalysis – Test of urine to diagnose various conditions.
- Urticaria – Also known as hives; red, itchy welts on the skin.
V
- Vaccination – Administration of a vaccine to provide immunity.
- Varicella – The virus that causes chickenpox.
- Viral infection – Illness caused by a virus, such as the flu.
- Vital signs – Key measurements like heart rate, temperature, and blood pressure.
W
- Wart – Small, rough growths caused by a virus.
- Wellness check – Routine examination to assess overall health.
- Wheeze – A high-pitched sound during breathing, often due to asthma.
- Wound care – Management and treatment of open skin injuries.
X
- X-ray – Imaging test that uses radiation to view inside the body.
- Xerosis – Abnormal dryness of the skin.
- Xanthoma – Fatty deposit under the skin often linked to high cholesterol.
Y
- Yeast infection – Common fungal infection caused by Candida.
- Yellow fever – A viral infection spread by mosquitoes.
- Yoga therapy – Use of yoga techniques to improve physical and mental health.
Z
- Zinc – A mineral essential for immune support, wound healing, and enzyme function.
- Zoster vaccine – A vaccine that protects against shingles (herpes zoster).
- Zika virus – A mosquito-borne virus that can affect pregnancies.
- Zone of induration – Raised area measured in TB skin tests.
- Zoonotic diseases – Diseases passed from animals to humans.
- Zygote – The cell formed when sperm fertilises an egg.
- Zafirlukast – A medication used for asthma management.
- Zolpidem – A medication used to treat insomnia.
Your health matters. Let’s understand it together.
Understanding key medical terms not only empowers you to better manage your own healthcare, but also helps families make informed decisions for every generation. King Street Medical is proud to serve Warrawong and the Illawarra community with comprehensive, compassionate, and clear healthcare solutions. From minor surgeries and skin cancer checks to chronic care and children’s health, our goal is to be your family’s first point of call for every health concern.
And don’t forget — our commitment to family wellness doesn’t stop with adults. King Street Kids, our dedicated resources for children’s health, ensures that your little ones receive expert, age-appropriate medical attention in a warm and welcoming setting.