Exercise 1
Choose the correct word to complete each sentence about health and medicine.
Example: The doctor ordered a blood test to check for any underlying ______ (condition / contraindication / prognosis).
Answer: The doctor ordered a blood test to check for any underlying condition.
Health and Medicine Vocabulary for Advanced Learners
Whether you are navigating a complex medical consultation, reading a clinical research paper, or discussing public health policy, a sophisticated command of health and medicine vocabulary is indispensable at the C1 level. This lesson takes you beyond everyday expressions such as "I have a cold" or "I feel tired" and introduces the precise, nuanced language used by healthcare professionals, medical journalists, and informed patients alike.
Setting the scene: Imagine you are a health correspondent for a national newspaper. You have just attended a press briefing on a newly identified infectious disease and must now write an accurate, authoritative article for a general readership. You need vocabulary that is both technically sound and accessible — the kind of language that bridges the gap between the clinic and the public. That is exactly what this lesson equips you with.
Key Vocabulary and Meaning Breakdown
1. Diagnosis, Symptoms, and Disease
| Word / Phrase | Part of Speech and Meaning | Example Sentence | Collocations / Notes |
|---|---|---|---|
| aetiology | noun — the cause or set of causes of a disease or condition | The aetiology of the disorder remains poorly understood, despite decades of research. | the aetiology of a disease; complex/multifactorial aetiology; establish the aetiology |
| symptomatic | adjective — showing or producing symptoms of a disease; also used figuratively to indicate something is a sign of a deeper problem | Many carriers are entirely asymptomatic, making the virus particularly difficult to track. | symptomatic of; symptomatic relief; symptomatic treatment; asymptomatic (opposite) |
| acute | adjective — (of a disease or condition) severe and of sudden onset; also means sharp or intense | He was admitted to the intensive care unit with acute respiratory failure. | acute pain/illness/condition; acute vs chronic (see below); acute onset |
| chronic | adjective — persisting for a long time or constantly recurring; the opposite of acute in medical contexts | Living with a chronic illness demands considerable psychological resilience as well as physical endurance. | chronic disease/pain/condition; chronic fatigue; chronically ill |
| comorbidity | noun — the simultaneous presence of two or more diseases or medical conditions in the same patient | Patients with comorbidities such as diabetes and hypertension are at significantly greater risk of severe outcomes. | underlying comorbidity; comorbid conditions; high/multiple comorbidities |
| prognosis | noun — a medical opinion about the likely course or outcome of a disease | The oncologist gave her a guarded prognosis, warning that recovery would depend heavily on how she responded to chemotherapy. | give/offer a prognosis; favourable/poor/guarded prognosis; long-term prognosis |
| differential diagnosis | noun phrase — the process of distinguishing between diseases with similar symptoms to identify the correct one | The GP ran a battery of tests to narrow down the differential diagnosis before referring the patient to a specialist. | reach/establish a differential diagnosis; broad/narrow differential |
| pathogen | noun — a bacterium, virus, or other micro-organism that can cause disease | The laboratory identified the pathogen responsible for the outbreak within forty-eight hours. | bacterial/viral/fungal pathogen; pathogen transmission; airborne/waterborne pathogen |
| virulent | adjective — (of a disease or toxin) extremely severe or harmful in its effects; (of a pathogen) highly infective | Health authorities expressed alarm at how virulent the new strain appeared to be compared with its predecessor. | highly virulent; virulent strain/pathogen; virulence (noun) |
| relapse | noun / verb — a deterioration in someone's condition after a period of improvement | Despite making significant progress, she suffered a relapse six months into her treatment. | suffer/experience a relapse; relapse into; prevent a relapse; relapse rate |
2. Treatment, Intervention, and Medical Procedures
| Word / Phrase | Part of Speech and Meaning | Example Sentence | Collocations / Notes |
|---|---|---|---|
| therapeutic | adjective — relating to the healing of disease; having a good effect on the body or mind | The therapeutic benefits of cognitive behavioural therapy for anxiety disorders are well documented. | therapeutic effect/benefit/approach; therapeutic intervention; therapeutics (noun) |
| contraindication | noun — a condition or factor that makes a particular treatment or procedure inadvisable | A history of severe allergic reactions to penicillin is a clear contraindication for prescribing amoxicillin. | a contraindication for/to; absolute/relative contraindication; contraindicated (adjective) |
| palliative | adjective / noun — relieving pain or alleviating the symptoms of a disease without curing it | When curative treatment was no longer viable, the medical team shifted to palliative care to ensure her comfort. | palliative care/treatment; palliative medicine; palliative effect |
| prophylactic | adjective / noun — intended to prevent disease rather than treat it | Prophylactic antibiotics are sometimes prescribed to patients at heightened risk of post-surgical infection. | prophylactic treatment/measure/drug; take as a prophylactic; prophylaxis (noun) |
| invasive | adjective — (of a medical procedure) requiring incision into the body or insertion of instruments; also describes cancer that has spread beyond its origin | Fortunately, the tumour was detected early enough to be treated without recourse to invasive surgery. | minimally invasive; invasive surgery/procedure/cancer; non-invasive (opposite) |
| administer | verb — to give or apply a drug, treatment, or therapy to a patient | The nurse administered the injection with remarkable efficiency, causing the patient minimal discomfort. | administer medication/a drug/a vaccine; administer treatment; administer intravenously |
| remission | noun — a temporary or permanent decrease or disappearance of the signs and symptoms of a disease | After two years of treatment, his leukaemia went into complete remission, much to the relief of his family. | go into/be in remission; complete/partial remission; spontaneous remission |
| placebo | noun — a harmless pill, medicine, or procedure that has no therapeutic effect, often used as a control in clinical trials | Participants in the control group were given a placebo, though neither they nor the researchers knew who had received the active drug. | placebo effect; administer a placebo; placebo-controlled trial; placebo group |
| dosage | noun — the size or frequency of a dose of a medicine or drug | The physician cautioned that exceeding the recommended dosage could cause serious hepatic damage. | recommended/prescribed dosage; adjust/increase/reduce the dosage; dosage regimen |
| triage | noun / verb — the process of sorting patients according to urgency of need, particularly in emergencies | Under the triage system adopted during the surge, only the most critically ill patients were admitted to the ward immediately. | triage system/nurse/protocol; triage a patient; perform triage |
3. Public Health, Research, and Medical Systems
| Word / Phrase | Part of Speech and Meaning | Example Sentence | Collocations / Notes |
|---|---|---|---|
| epidemiology | noun — the branch of medicine dealing with the incidence, distribution, and control of diseases within populations | Advances in epidemiology have transformed our understanding of how lifestyle factors contribute to cardiovascular disease. | epidemiological study/data/evidence; epidemiologist (person); epidemiological surveillance |
| mortality rate | noun phrase — the number of deaths within a particular population over a specific time period | The campaign to increase vaccination uptake succeeded in driving down the mortality rate substantially within three years. | high/low mortality rate; infant/maternal mortality rate; reduce/increase mortality rate |
| endemic | adjective — (of a disease or condition) regularly found among particular people or in a particular area | Malaria remains endemic in many parts of sub-Saharan Africa, placing enormous pressure on healthcare infrastructure. | endemic disease/region; endemic to (a place); endemicity (noun) |
| pandemic | noun / adjective — an outbreak of a disease occurring worldwide or across a very wide area and usually affecting many people | The global response to the pandemic exposed stark inequalities in access to healthcare across different nations. | global pandemic; declare a pandemic; pandemic preparedness; pandemic vs epidemic (see below) |
| herd immunity | noun phrase — indirect protection from an infectious disease that occurs when a sufficient proportion of a population has become immune | Scientists estimated that herd immunity would only be achievable once approximately seventy per cent of the population had been vaccinated. | achieve herd immunity; herd immunity threshold; natural herd immunity |
| clinical trial | noun phrase — a research study in which people volunteer to test new treatments, interventions, or tests to prevent, detect, treat, or manage diseases | The drug cannot be approved for widespread use until it has undergone rigorous phase three clinical trials. | conduct/run/participate in a clinical trial; randomised clinical trial; clinical trial results/data/phase |
| iatrogenic | adjective — (of an illness or problem) caused inadvertently by medical examination or treatment | The patient's renal failure was ultimately identified as iatrogenic, caused by prolonged use of a prescribed anti-inflammatory drug. | iatrogenic disease/complication/harm; iatrogenic cause |
| contraindicate | verb — to make a particular medical treatment inadvisable | His history of peptic ulcers contraindicated the use of high-dose aspirin therapy. | be contraindicated in/for; contraindicated by; strongly contraindicated |
| immunocompromised | adjective — having an impaired immune system, making a person more susceptible to infections | Live vaccines are generally not recommended for immunocompromised patients due to the risk of infection from the vaccine itself. | immunocompromised patient/individual; severely/mildly immunocompromised |
| morbidity | noun — the condition of being diseased or the rate of disease in a population; also refers to the presence of illness or suffering | Rising obesity rates have been linked to significantly increased morbidity across a range of chronic conditions. | high morbidity; morbidity rate; morbidity and mortality; reduce morbidity |
Collocations and Useful Expressions
present with + symptoms
The patient presented with acute chest pain and shortness of breath.
Used by clinicians to describe what symptoms a patient shows when they arrive.
manage + a condition
With the right medication, most patients are able to manage their condition effectively.
Distinct from "cure" — implies ongoing control rather than elimination of a disease.
undergo + treatment/surgery/a procedure
She underwent a series of radiation treatments over the course of six weeks.
More formal and precise than "have" surgery or treatment.
refer + a patient to + a specialist
The GP referred the patient to a consultant cardiologist for further investigation.
Key phrase in medical communication and patient journey language.
conduct/carry out + a clinical trial
The pharmaceutical company is currently carrying out a multi-centre clinical trial across twelve countries.
Note: "carry out" is slightly less formal than "conduct" in academic writing.
make a full recovery
Against all expectations, the patient made a full recovery within three months.
A common idiomatic expression; note that "full" is far more natural here than "complete recovery" in everyday speech.
deteriorate / stabilise / improve (condition)
Her condition deteriorated rapidly over the weekend before stabilising on Monday morning.
These three verbs form a natural spectrum of patient status language.
put on + medication / a course of treatment
Following his diagnosis, he was put on a long-term course of anticoagulants.
Very common in informal and semi-formal medical contexts.
run/carry out + tests
The consultant ran a comprehensive panel of blood tests to rule out autoimmune disorders.
"Run tests" is widely used in both spoken and written medical English.
rule out + a condition / diagnosis
An MRI scan was ordered to rule out any structural abnormality in the brain.
Frequently appears in diagnostic contexts; the opposite is "rule in" (less common).
Important Differences and Confusing Words
Acute vs Chronic
These two terms are frequently confused by learners and are among the most important distinctions in medical English.
Acute refers to a condition that is sudden in onset, severe, and short-lived. It does not simply mean "bad" in a medical context.
An acute asthma attack requires immediate intervention.
Chronic describes a condition that persists over a long period of time, often for the rest of a patient's life. It does not necessarily mean severe.
Chronic lower back pain can be debilitating even when the underlying cause is not life-threatening.
⚠️ A condition can be both: a patient with chronic obstructive pulmonary disease (COPD) may experience an acute exacerbation of that chronic condition.
Epidemic vs Pandemic vs Endemic
Endemic — a disease that is consistently present within a specific geographical region or population but is generally stable and predictable.
Dengue fever is endemic to parts of Southeast Asia.
Epidemic — a sudden, significant increase in the number of cases of a disease beyond what is normally expected in a specific area.
The city declared an epidemic after the number of measles cases tripled in a single month.
Pandemic — an epidemic that has spread across multiple countries or continents, affecting a very large number of people globally.
The 2020 coronavirus pandemic affected virtually every nation on earth.
Prognosis vs Diagnosis
Diagnosis — the identification of the nature of an illness or condition by examination of symptoms.
After months of uncertainty, she finally received a diagnosis of multiple sclerosis.
Prognosis — the likely outcome or course of a disease following a diagnosis; it is the forecast, not the identification.
The prognosis for early-stage breast cancer is generally very favourable with prompt treatment.
⚠️ You receive or are given a diagnosis. You are given a prognosis. You do not "take a diagnosis" or "make a prognosis" (unless you are the clinician).
Morbidity vs Mortality
Morbidity — refers to the state of being ill or the rate of illness in a population. It is about disease and suffering.
High levels of air pollution contribute significantly to respiratory morbidity.
Mortality — refers specifically to death or the death rate. It is about fatality.
Improved surgical techniques have substantially reduced post-operative mortality.
Symptomatic vs Asymptomatic
Symptomatic — showing symptoms of a disease.
Only symptomatic patients were initially eligible for testing during the early phase of the outbreak.
Asymptomatic — infected with or carrying a disease but showing no visible symptoms.
A significant proportion of those infected remained asymptomatic, making containment exceptionally challenging.
Common Mistakes
❌ The doctor made a diagnosis of the patient's symptoms.
✅ The doctor diagnosed the patient's condition. — "Make a diagnosis" is possible, but it means the act of identifying a disease, not of examining symptoms. More naturally: "The doctor arrived at/reached a diagnosis after several tests."
❌ She has an acute back pain for the past five years.
✅ She has had chronic back pain for the past five years. — Acute implies sudden and short-lived; long-term pain is chronic. Also note the present perfect tense for duration up to the present.
❌ He took a surgery last year to remove the tumour.
✅ He underwent surgery last year to remove the tumour. — You undergo surgery/treatment/a procedure; you do not "take" surgery in standard medical English.
❌ The drug is contraindicated for patients who don't have heart problems.
✅ The drug is contraindicated for patients who have a history of heart problems. — Contraindicated means it is inadvisable because of a risk factor, not the absence of one.
❌ The mortality of this disease is very high, so many people suffer.
✅ The morbidity of this disease is very high, causing widespread suffering. — Mortality specifically refers to death rates. If the focus is on suffering or illness rather than death, morbidity is the correct term.
❌ He was prescribed with antibiotics by his doctor.
✅ He was prescribed antibiotics by his doctor. — "Prescribe" does not take "with" as a preposition. The structure is: prescribe something to/for someone, or someone is prescribed something.
❌ The pandemic of flu in 1918 was an endemic.
✅ The flu outbreak in 1918 was a pandemic. — It affected populations across multiple continents, making it a pandemic by definition. An endemic is geographically confined and stable.
❌ After the operation, the patient went into a full remittance.
✅ After the treatment, the patient went into full remission. — The correct medical term is remission. Remittance is a financial term referring to money sent from one party to another.
Health and Medicine Vocabulary: Quick Summary and Review
In this lesson, you have explored a rich range of advanced health and medicine vocabulary across three key thematic areas:
- Diagnosis, symptoms, and disease — including aetiology, comorbidity, prognosis, virulent, and differential diagnosis
- Treatment, intervention, and procedures — including palliative, prophylactic, contraindication, remission, and triage
- Public health, research, and medical systems — including epidemiology, herd immunity, clinical trial, iatrogenic, and morbidity
You have also practised essential medical collocations such as present with symptoms, rule out a condition, and undergo treatment, and explored critical distinctions between easily confused terms including acute vs chronic, epidemic vs pandemic, and morbidity vs mortality.
At C1 level, precision is everything. Choosing the right medical term — rather than a close approximation — can fundamentally alter the meaning of what you communicate. Whether you are writing a report, preparing for a professional examination, or simply engaging with complex health news, this vocabulary will allow you to express ideas with the accuracy and authority that the subject demands.
Now practise Health and Medicine vocabulary in the exercises below.
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