The Internal Medicine Physician: Who They Are and How They Can Help You
An internal medicine physician, also known as an internist, specialises in diagnosing, treating, and preventing illnesses in adults. They are especially valuable when symptoms are complex, conditions overlap, or you need a doctor who can look at the bigger picture rather than just one isolated problem.
- Adult medicine specialist
- Broad diagnostic expertise
- Manages complex co-morbidities
- Holistic medical approach
At a glance
A physician is a medically trained doctor who diagnoses illness and recommends treatment. An internal medicine physician focuses on adult health and is particularly skilled at assessing symptoms that do not fit neatly into one box.
They do not simply treat one complaint in isolation. They consider the whole person, the interaction between different organ systems, and the effect of co-morbidities on overall health.
Why patients value internists
- Broad knowledge across adult medicine
- Strong diagnostic reasoning
- Useful when symptoms are complex
- Can coordinate specialist care
So, What Exactly Is a Physician?
A physician is a medical professional who is qualified to practise medicine after extensive training. Their role includes diagnosing illness, investigating symptoms, advising on prevention, and recommending treatment.
In everyday language, the word physician often refers to a doctor with expertise in medical diagnosis and ongoing care, particularly for adult patients. Physicians are trained to interpret symptoms carefully, weigh up different possibilities, and decide what investigations or management steps are most appropriate.
This makes them particularly useful when someone is feeling unwell but the reason is not yet clear, or when more than one health issue may be interacting at the same time.
What Makes an Internal Medicine Physician Unique?
An internal medicine physician, often called an internist, specialises in the diagnosis, treatment, and prevention of diseases affecting adults. Their training is broad and deep. They understand how illnesses in one organ system can influence another and how multiple conditions can overlap.
Unlike a narrowly focused specialist who may concentrate on one part of the body, an internist is trained to think across the whole spectrum of adult health. They are especially helpful when:
Symptoms are difficult to explain
If your symptoms do not fit neatly into one obvious diagnosis, an internal medicine physician can help piece the puzzle together.
Several conditions exist together
They are used to dealing with co-morbidities, for example when lung disease, heart disease, reflux, or metabolic issues overlap.
Management needs coordination
An internist can help coordinate investigations, interpret results, and decide when input from other specialists is needed.
Adult health needs a wider view
They look beyond a single complaint and consider your medications, medical history, lifestyle factors, and the interaction between different diseases.
What Do Internal Medicine Physicians Specialise In?
Internal medicine is a wide field. Many internists later develop a special interest in one area of medicine while still keeping their strong grounding in adult general medical care.
Cardiology
Focuses on the heart and circulation, including chest pain, palpitations, high blood pressure, and heart failure.
Endocrinology
Deals with hormones and metabolic health, including diabetes, thyroid disease, and adrenal disorders.
Respiratory Medicine
Also known as pulmonology, this includes conditions such as asthma, chronic cough, breathlessness, infection, and lung scarring.
Gastroenterology
Looks after the digestive system, including reflux, stomach and bowel conditions, and liver disease.
Nephrology
Focuses on the kidneys, blood pressure, fluid balance, and renal complications of medical conditions.
Infectious and complex medical care
Many internists are highly experienced in diagnostic medicine, unexplained symptoms, and the management of complex multi-system disease.
Why Would I Need to See an Internal Medicine Physician?
You may benefit from seeing an internal medicine physician if you feel that your symptoms are not being fully explained, if your health issues overlap, or if you want a doctor who can consider the whole picture rather than just one problem in isolation.
Situations where an internist can be especially helpful
- You have more than one ongoing health problem and want a joined-up medical opinion.
- You have symptoms that are difficult to explain or have persisted despite previous assessment.
- You need help understanding how one condition may be affecting another.
- You need a doctor who can decide which tests are appropriate and which specialist, if any, should be involved next.
- You want an expert adult medical assessment rather than a narrow organ-specific review alone.
If your symptoms involve the chest or lungs, this broader approach can be especially useful. For example, persistent chronic cough, wheeze, or chest pain may have more than one possible cause and sometimes need a doctor who can think across respiratory, cardiac, gastrointestinal, and general medical causes.
What Kind of Tests Can They Conduct?
An internal medicine physician is equipped to arrange and interpret a wide range of investigations. The exact tests depend on your symptoms, examination findings, and overall medical history, but commonly include:
Blood tests
To check inflammation, infection, anaemia, kidney function, liver function, hormone levels, and other systemic problems.
Electrocardiogram (ECG)
Useful when symptoms may relate to the heart, such as chest discomfort, palpitations, or dizziness.
Imaging
This may include chest X-rays, CT scans, ultrasound scans, or other imaging where clinically appropriate.
Organ-specific tests
Depending on the problem, this could include lung function testing, endoscopy, heart investigations, or referral for more specialist procedures.
The real value lies not only in ordering tests, but in understanding which tests are truly useful and how to interpret them within the wider context of your health.
Should I See a Pulmonologist Who Is Also an Internal Medicine Physician?
If your main symptoms involve the lungs or chest, there can be a real advantage in seeing a respiratory physician who also has internal medicine training.
A pulmonologist specialises in respiratory disease, but when that doctor is also trained in internal medicine, they bring something extra: a broader appreciation of how the lungs interact with the rest of the body.
This can be particularly valuable because respiratory symptoms are not always caused by the lungs alone. For example:
Heart and lungs are closely linked
Breathlessness or chest symptoms may relate to heart disease as well as lung disease.
Multiple causes can overlap
Cough, chest discomfort, or wheeze may involve asthma, reflux, infection, medication effects, or other general medical issues.
Co-morbidities matter
Diabetes, obesity, reflux, cardiac disease, and sleep disorders can all influence respiratory symptoms and outcomes.
In practical terms, this means you benefit from both specialist respiratory expertise and a wider internal medicine perspective. It is a more holistic approach, particularly helpful when your symptoms are persistent, complex, or difficult to categorise.
How Can an Internal Medicine Physician Help You?
The key benefit is breadth combined with depth. Internal medicine physicians are able to assess a wide range of adult medical problems while also looking carefully at how different issues connect. They help patients by:
- Making sense of multiple symptoms rather than focusing on only one complaint.
- Helping to diagnose puzzling or overlapping conditions.
- Interpreting investigations within the wider picture of your health.
- Managing co-morbidities more safely and effectively.
- Coordinating care when other specialists need to be involved.
- Providing a more joined-up medical plan.
Dr Ricardo Jose
Dr Ricardo Jose is a Consultant Respiratory Physician and is also trained in internal medicine. This combination allows him to assess respiratory symptoms in the context of your wider adult medical health, which can be especially helpful when conditions overlap or a broader diagnostic view is needed.
You can read more about Dr Ricardo Jose here.
Frequently Asked Questions
Is an internal medicine physician the same as a GP?
Not exactly. A GP provides broad front-line care across all ages, while an internal medicine physician focuses specifically on adult medicine and often has deeper expertise in complex adult disease and diagnostic assessment.
What is the difference between an internist and a specialist?
An internist is a specialist in adult medicine. Some internists remain broad general adult physicians, while others go on to develop a subspecialty interest such as respiratory medicine, cardiology, or endocrinology.
Can an internal medicine physician help if my symptoms affect more than one body system?
Yes. This is one of their greatest strengths. Internal medicine physicians are trained to think across organ systems and assess how different conditions may be connected.
When is it especially useful to see a respiratory physician with internal medicine training?
It can be especially helpful when symptoms such as cough, wheeze, breathlessness, or chest discomfort may have more than one possible cause, or when lung disease is interacting with other medical conditions.
Can they arrange tests and referrals?
Yes. Internal medicine physicians can arrange investigations, interpret results, and refer to other specialists when necessary, while keeping an overview of your wider health.
In Summary: The Value of Internal Medicine Physicians
Internal medicine physicians bring a valuable combination of broad adult medical knowledge and careful diagnostic skill. They are particularly useful when symptoms are complex, when more than one condition may be contributing, or when you need a doctor who can look at the bigger picture.
If your main concerns relate to the lungs, seeing a respiratory physician with internal medicine training can offer the best of both worlds: specialist lung expertise together with a wider understanding of how your health fits together.
For patients with persistent chest symptoms, this can be an especially thoughtful and effective route to diagnosis and treatment.
Need a broader medical view of your chest symptoms?
If you are dealing with symptoms such as chronic cough, wheeze, or chest pain, a consultation with Dr Ricardo Jose can help bring together respiratory expertise and internal medicine insight.
Disclaimer
This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
Always seek the advice of your healthcare provider with any questions you may have regarding a medical condition or treatment. Your healthcare professional can assess your individual circumstances. All clinical decisions should follow an individual assessment and shared decision-making.
Content reviewed by Dr Ricardo José, Consultant Respiratory Physician, London Chest Specialist.
