Health & Medicine Vocabulary in English

20 key health & medicine vocabulary in english words with meanings, example sentences, and free interactive exercises — ideal for A2–B1 learners.

Health and medicine vocabulary is among the most practical word sets any English learner can study. Whether you are visiting a doctor abroad, reading a prescription label, describing symptoms to a pharmacist, or simply following a health story in the news, these words appear constantly in everyday English. Gaps in this vocabulary can lead to real misunderstandings at moments when clear communication genuinely matters, making it a priority for learners at A2 and B1 level who want to move confidently through English-speaking environments.

In daily life, health language reaches far beyond hospital walls. You encounter words like diet, exercise, and wellbeing in food packaging, fitness apps, and workplace wellness programmes. Terms such as allergy, prescription, and pharmacy come up every time you collect medication or fill in a form at a clinic. Even casual conversation regularly touches on recovery, mental health, and chronic conditions, so knowing these words lets you participate naturally rather than falling silent or guessing from context alone.

The most effective way to learn medical vocabulary is to connect each word to a real situation rather than memorising isolated definitions. Picture yourself describing a symptom to a nurse, collecting a prescription at a pharmacy, or calling for help in an emergency — these mental scenarios anchor words in memory far better than a list alone. Pairing that contextual learning with spaced-repetition exercises, such as the Flash Cards and Match Up tools on this page, gives you repeated, low-pressure exposure that moves new words from short-term recognition to long-term active use.

What You'll Learn

Word List

WordMeaningExample Sentence
doctora trained medical professional who treats illnessThe doctor prescribed antibiotics for the infection.
hospitala building where sick people receive medical careShe was taken to hospital by ambulance.
medicinea substance taken to treat illness or painTake this medicine twice a day after meals.
symptoma sign that you are illA sore throat is often the first symptom of a cold.
treatmentmedical care given to make someone betterThe treatment lasted six weeks.
surgerya medical operation to repair or remove body partsHe needed surgery on his knee after the accident.
prescriptiona written instruction from a doctor for medicineYou need a prescription to buy this medicine.
vaccinea substance that protects against diseaseThe flu vaccine is given every autumn.
allergya negative reaction to a food, plant, or substanceShe has a severe allergy to nuts.
infectionan illness caused by bacteria or a virusThe wound developed an infection.
dietthe food a person regularly eatsA healthy diet includes plenty of vegetables.
exercisephysical activity done to keep fit and healthyRegular exercise reduces the risk of heart disease.
mental healtha person's emotional and psychological wellbeingMental health is just as important as physical health.
pharmacya shop where medicines are sold or madePick up your prescription at the pharmacy.
nursea trained person who cares for sick people in hospitalThe nurse checked his blood pressure.
emergencya serious, unexpected situation requiring immediate actionCall 999 in a medical emergency.
chronic(of illness) lasting a long time or recurringShe lives with a chronic back condition.
diagnosisthe process of identifying an illnessThe diagnosis was confirmed by a blood test.
recoverythe process of becoming healthy again after illnessHis recovery from the operation took three months.
wellbeinggeneral health and happinessRegular sleep is essential for your wellbeing.

Practice with These Exercises

Flash Cards

Review words with spaced repetition

Quiz

Test your vocabulary knowledge

Match Up

Match words to their meanings

Wordsearch

Find hidden vocabulary words

Practice What You've Learned

LexFizz has 30 free interactive exercises — no sign-up needed.

Browse All Exercises →

Related Vocabulary Topics

All Topics Body Parts Sports Food & Drink

Frequently Asked Questions

What is the difference between a symptom and a diagnosis?
A symptom is something you notice or feel that suggests you may be ill — for example, a high temperature or a sore throat. A diagnosis is the doctor's conclusion about what illness you have, reached after examining your symptoms and running tests. Think of symptoms as the clues and the diagnosis as the answer.
How is "medicine" different from "medication"?
Both words refer to substances taken to treat illness, and in everyday British English they are often interchangeable. However, medicine can also mean the entire field of medical science (e.g. “She studied medicine at university”), while medication almost always refers specifically to a prescribed drug or course of drugs. In an ESL context, learning medicine first is recommended, as it appears far more frequently.
What does "chronic" mean in everyday English?
In medical English, chronic describes a condition that lasts a long time or keeps coming back, such as chronic pain or a chronic cough. It contrasts with acute, which describes a sudden, short-term illness. Note that in informal British slang, “chronic” can also mean very bad or unpleasant, so context matters when you encounter the word outside a medical setting.
Do I need a prescription for all medicines in the UK?
No — many common medicines such as paracetamol and antihistamines can be bought directly from a pharmacy or supermarket without a prescription. A prescription is required for stronger drugs, such as antibiotics or certain painkillers, which can only be dispensed after a doctor has assessed you and issued a written instruction. Learning the word prescription is important because you will need to use or recognise it in any English-speaking healthcare system.
What body part vocabulary do you need for a doctor's appointment in English?
For a doctor's appointment, you need to know the main body parts related to the area causing problems: chest, throat, abdomen, spine, joint, and lung. You also need descriptive adjectives for pain: sharp, dull, throbbing, burning, constant, and intermittent. Phrases such as "I have a pain in my..." and "It hurts when I..." are essential. Practising this vocabulary before any medical appointment in an English-speaking country will help you communicate your symptoms accurately.
What is the difference between a hospital and a clinic?
A hospital is a large medical facility that provides a wide range of services including emergency care, surgery, and overnight stays. A clinic is usually smaller and focuses on outpatient appointments — you visit, receive treatment or a consultation, and leave the same day. In the UK, a GP surgery (your local doctor's practice) functions similarly to a clinic for routine appointments.
Why is mental health vocabulary important for English learners?
Mental health is discussed far more openly in English-speaking cultures than in many other countries, and the vocabulary appears regularly in news articles, workplace conversations, and social media. Being able to understand and use phrases like “mental health support,” “wellbeing,” and “stress management” helps learners participate in these conversations, access support services in English, and understand public health guidance.
How do you describe an allergy in English?
The most common structure is “I am allergic to [substance]” or “I have an allergy to [substance].” For example: “I am allergic to penicillin” or “She has a nut allergy.” In medical forms you may also see “known allergies,” so learners should recognise the noun allergy alongside the adjective allergic. Describing an allergy clearly is a key safety skill when travelling or seeking treatment in English.
What health advice vocabulary appears in everyday English?
Common health advice vocabulary includes verbs and phrases such as: maintain a balanced diet, stay hydrated, get enough sleep, reduce stress, avoid processed foods, and take regular exercise. Nouns often paired with health advice: portion size, screen time, blood pressure, cholesterol, and calorie intake. This vocabulary appears in health news articles, NHS guidance documents, fitness apps, and workplace wellness programmes, making it one of the most practically useful word sets for B1 learners living or working in an English-speaking environment.
What does "wellbeing" include in English?
Wellbeing is a broad term covering physical health, mental health, social connections, and overall life satisfaction. In British English it appears frequently in workplace, educational, and government contexts: “employee wellbeing,” “student wellbeing,” and “public wellbeing” are all common collocations. It is distinct from health, which tends to focus on the physical, making wellbeing a more holistic and modern term that learners will encounter across a wide range of texts.