Health Problems Vocabulary: 50+ Words, Idioms & Phrases to Talk About Sickness
Feeling a bit under the weather? Or maybe you’re learning English and want to speak clearly when you’re not feeling well?
This guide will help you confidently use health problems vocabulary—including basic symptoms, idiomatic expressions, and phrases used in real-life medical conversations. Whether you’re describing a fever, visiting the doctor, or helping a friend, these words and phrases are your toolkit for talking about health.
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50+ Words, Phrases & Idioms You Should Know
Health Problems Vocabulary List
Below, you’ll find a comprehensive list of essential vocabulary words, phrases, and idioms commonly used to describe health issues and symptoms in English. Whether you’re talking about a simple cold, explaining how you feel to a doctor, or preparing for a language exam, this list will help you speak more clearly and naturally in real-life situations.
1. Common Health Symptoms
Start with essential sickness vocabulary to describe how you feel or what someone else is experiencing:
Fever
Meaning : High body temperature due to illness
Example Sentence: “I’ve got a fever and chills.”
Sore throat
Meaning: Pain in the throat
Example Sentence: “Drinking tea helps my sore throat.”
Headache
Meaning: Pain in the head
Example Sentence: “I got a headache from staring at screens.”
Fatigue
Meaning: Extreme tiredness
Example Sentence: “He felt fatigue after a long day.”
Rash
Meaning: Red/itchy skin reaction
Example Sentence: “The soap caused a rash on her arms.”
Nausea
Meaning: Feeling sick to your stomach
Example Sentence: “The smell gave me nausea.”
Vomit / Throw up
Meaning: Expel food due to illness
Example Sentence: “She threw up after dinner.”
Diarrhea
Meaning: Frequent, loose bowel movements
Example Sentence: “He stayed home with diarrhea.”
Constipation
Meaning: Trouble passing stool
Example Sentence: “Lack of fiber causes constipation.”
Allergy
Meaning: Reaction to food, dust, etc.
Example Sentence: “He has a peanut allergy.”
2. Health Idioms to Sound Like a Native
Idioms make you sound more fluent and natural. Here are common health and illness vocabulary idioms:
Under the weather
Meaning: Feeling slightly sick
Example: “I’m a bit under the weather today.”
Sick as a dog
Meaning: Very sick
Example: “I felt sick as a dog after eating that meal.”
At death’s door
Meaning: Extremely ill
Example: “He seemed to be at death’s door with how pale and weak he looked.”
On the mend
Meaning: Getting better
Example: “I’m on the mend after my cold.”
Catch a cold
Meaning: Become ill with a cold
Example: “Make sure to wear your jacket, or you might end up catching a cold in this cold weather.”
Come down with
Meaning: Start showing symptoms
Example: “I feel like I might be coming down with the flu.”
A clean bill of health
Meaning: A doctor’s report that you’re healthy
Example: “She felt at ease after the doctor confirmed she had a clean bill of health.”
Run down
Example: “I’ve been feeling run down lately.”
Meaning: Tired and weak
Pick up a bug
Meaning: Get a minor illness
Example: “He picked up a stomach bug at school.”
Off-color
Meaning: Looking slightly ill
Example: “She looked a bit off-color yesterday.”
3. Medical Visit Vocabulary
Knowing what to say at the clinic or pharmacy is essential. These phrases appear often in IELTS speaking and real-world settings.
Make an appointment
Meaning: Schedule a doctor visit
Example: “I made an appointment for next week.”
Call in sick
Meaning: Inform work that you’re sick
Example: “She phoned in sick because she was down with the flu.”
Get vaccinated
Meaning: Receive a vaccine
Example: “I got vaccinated last year.”
Take medicine
Meaning: Consume prescribed medication
Example: “Take this tablet after each meal.”
Go to the emergency room
Meaning: Visit ER in urgent situations
Example: “He ended up in the emergency room due to severe pain.”
4. Advanced Health Terms (Great for IELTS)
These are useful for exams, essays, and formal discussions:
Chronic– Long-lasting (e.g., chronic back pain)
Acute– Sudden and severe (e.g., acute asthma attack)
Contagious– Able to spread easily (e.g., COVID-19)
Diagnosis– A doctor’s identification of a disease
Prognosis– The expected outcome or recovery time
Symptom– A sign of illness (e.g., fever, cough)
Treatment– Actions to cure or manage a health issue
Recovery– The process of getting better
5. More Real-Life Phrases from Conversations
English speakers often describe their health using casual expressions. Here are some from real texts:
“I’ve got aches and pains from time to time.”
“I don’t usually get sick, but I felt out of sorts today.”
My cold has exacerbated—I need rest.”
“Fortunately, I’m past the worst part and on the mend.”
CDC Health Topics – Reliable vocabulary and health info
Final Thoughts
Learning health problems vocabulary is more than just memorizing words—it’s a practical skill that helps you communicate clearly, take care of yourself, and support others.
