Obesity

Obesity is a disease in which excess adipose tissue accumulates in the body and metabolism is disrupted. It increases the risk of diseases of the heart, blood vessels and joints, and therefore requires medical supervision. Diagnosis and treatment are carried out by a physician and an endocrinologist: they assess the condition, diet and lifestyle, and help to choose a safe path to weight loss.

Which doctorEndocrinologist, also — dietitian
UrgencyRoutine appointment
Reviewed byMedical editorial team
Updated

With a typical presentation, an appointment is made with an endocrinologist or dietitian on a routine basis. An urgent appointment or emergency care is needed in case of a sharp deterioration in well-being, severe weakness, chest pain or difficulty breathing.

Key points

  • Obesity is managed by an endocrinologist, nutrition issues are addressed by a dietitian, and in their absence, one starts with a general practitioner.
  • Examination begins with measuring weight, height and waist circumference and calculating body mass index.
  • Signs: weight gain, shortness of breath on exertion, rapid fatigue, sweating, joint pain, snoring.
  • Weight is influenced by heredity, hormonal disorders, lack of sleep, stress and taking certain medications.
  • Chest pain and difficulty breathing require an immediate call for emergency help, not a routine visit.

What is obesity

Obesity is a condition in which excess fat mass accumulates in the body, affecting the function of various organs. It develops gradually and is linked to metabolism, nutrition and a person's lifestyle.

What happens in the body

Obesity occurs when the energy intake from food consistently exceeds its expenditure. Adipose tissue is deposited under the skin and around the internal organs, and its excess alters the function of the heart, blood vessels, liver and joints. Metabolism gradually readjusts: it becomes harder for the body to expend energy than to store it. A person notices that their usual clothes become tight and that climbing stairs feels harder. Weight increases slowly, so the changes are often attributed to age or fatigue. Over time, the excess mass increases the load on the spine and knees, interferes with proper sleep and reduces everyday activity. If the causes of weight gain are not addressed in time, the condition becomes established and it becomes increasingly difficult to keep it under control.

What causes it to develop

  • Excessive calorie intake: food provides more energy than the body manages to expend during the day, and the surplus is stored as fat.
  • Sedentary lifestyle: a desk job and infrequent walks reduce energy expenditure, so even a habitual diet leads to weight gain.
  • Hereditary predisposition: a tendency to be overweight and particular features of metabolism are often passed down in families, increasing the likelihood of weight gain.
  • Hormonal disorders: disruptions in the function of the glands alter metabolism and appetite, so weight increases without noticeable changes in diet.
  • Lack of sleep and chronic stress: constant tension and sleep deprivation increase hunger and push a person towards more calorie-dense food.
  • Taking certain medicines: some medicines affect appetite and metabolism, so weight gain should be discussed with a doctor.

Who experiences this more often

Obesity occurs in people of various ages, but it is more often detected in those who lead a sedentary lifestyle. A desk job, infrequent walks and long hours in front of a screen reduce energy expenditure, while portions remain habitual. Irregular eating with a skipped breakfast and late suppers also shifts the balance towards fat accumulation. Lack of sleep and constant stress maintain an increased appetite, so a person imperceptibly eats more than needed. Hereditary predisposition and hormonal changes make weight gain more likely even with a moderate diet. Certain diseases and the taking of some medicines further contribute to an increase in body weight. If weight increases without an obvious cause, it is worth discussing this with a doctor and looking into the circumstances, rather than attributing everything to age.

What symptoms occur?

Obesity manifests as a gradual increase in weight and a change in body shape, as well as breathlessness on exertion and rapid fatigue. By these signs the condition is noticed and it becomes clear when a routine visit to the doctor is needed and when urgent help is required.

How it is noticed at the very beginning

At the very beginning, obesity is noticed by a gradual increase in body weight and waist circumference, when usual clothes become tight. Many explain the breathlessness that appears when climbing stairs as tiredness after a working day. Rapid fatigue and reduced stamina are put down to lack of sleep or a busy schedule, rather than to a change in weight. Increased sweating during ordinary exertion is also rarely linked to the accumulation of fat mass. Over time, discomfort in the joints and spine is added, which is perceived as a consequence of sedentary work. Snoring and sleep disturbances often remain unnoticed, although they change the quality of rest and daytime wellbeing. If such signs persist for months, it is worth booking an appointment with an endocrinologist or a dietitian and discussing the condition with a specialist.

Signs that occur most often

  • Increase in body weight and waist circumference: weight grows gradually, and the abdomen becomes more noticeable, which changes the usual clothing size.
  • Breathlessness on physical exertion: breathing becomes uneven when climbing stairs or walking quickly, although this used to be easy.
  • Rapid fatigue and reduced stamina: ordinary tasks require more effort, and rest does not restore the previous capacity for work.
  • Increased sweating: sweating appears with little exertion and in warmth, which is linked to a change in body weight.
  • Discomfort in the joints and spine: the load on supporting structures increases, so pain and stiffness appear on movement.
  • Snoring and sleep disturbances: breathing during sleep becomes uneven, and sleep ceases to be restorative, which is important to discuss with a doctor.

When to seek help urgently

When to seek help urgently
SignHow urgentWhat to do
Typical picture without deteriorationRoutineBook an appointment with an endocrinologist or a dietitian
Sharp deterioration in wellbeingUrgentSeek medical help
Severe weaknessUrgentDo not stay alone, call for help
Chest painImmediatelyCall an ambulance
Difficulty breathingImmediatelyCall an ambulance

Examinations and tests

Examination for obesity begins with a conversation and simple measurements, not with expensive procedures. It is important for the doctor to understand the cause of weight gain and to assess how it affects the functioning of internal organs.

How the examination begins

The first appointment begins with taking a medical history: the doctor asks in detail about diet, physical activity, past and current illnesses, medication use and family history. He then measures weight, height and waist circumference to obtain objective data about the person's condition. Based on these measurements, body mass index is calculated — an indicator that helps assess the severity of the condition and the risks associated with it. Waist circumference is important separately: it shows how adipose tissue is distributed and how great the load on internal organs is. The doctor pays attention to accompanying signs: high blood pressure, snoring, joint pain, digestive disorders. These details help to understand which systems are already involved in the process and require additional attention. If the person takes any medications, it is important to report this, as some medicines affect weight. Based on the conversation and measurements, the doctor decides which additional tests are needed in this particular case.

What is prescribed and what it shows

What is prescribed and what it shows
ExaminationWhat it showsWhen it is prescribed
Measurement of weight, height and waist circumferenceSeverity of the condition and distribution of adipose tissueAt the first appointment
Calculation of body mass indexRatio of weight to height, degree of obesityAfter initial measurements
Blood tests for hormones and metabolismFunctioning of the endocrine system and metabolic processesTo rule out other causes of weight gain
Assessment of sugar and lipid levelsCarbohydrate and fat metabolism, risks to the heartIf metabolic disorders are suspected
Ultrasound of internal organsCondition of the liver, kidneys and other organsIf there are indications

What is worth preparing for the appointment

  • Discharge summaries from the medical history: they help the doctor see the full picture and avoid ordering unnecessary repeat tests.
  • Results of previous tests: previous data on sugar, lipids and hormones show the dynamics and save you from repeat procedures.
  • List of medications taken: it is important to list everything you take on an ongoing basis, as this affects weight and metabolism.
  • Food diary: records of what and when you eat give the doctor an objective picture of your habits, rather than approximate recollections.
  • Blood pressure measurements: if you measure it at home, bring your records — they show the load on the heart and blood vessels.
  • Questions for the doctor: formulate in advance what you want to clarify, so that the appointment is meaningful and you get the answers you need.

Which doctor should I see?

Obesity is managed by an endocrinologist, while nutritional support is provided by a dietitian. Below — who to book an appointment with, what happens at the first appointment and which areas make up the treatment.

Which specialist manages this condition

Obesity is managed by an endocrinologist, while nutritional issues are addressed by a dietitian. The endocrinologist assesses the state of metabolism and concomitant diseases that affect weight. The dietitian reviews the diet and meal schedule, and helps to build nutrition without drastic restrictions. If there is no specialist of this kind nearby, start with a general practitioner at your place of residence. The general practitioner will look at the overall picture and refer you to the right specialist. At the first appointment, the doctor clarifies the weight history, lifestyle and past illnesses. Then he discusses with you the plan of action and the timing of the follow-up visit.

What the treatment consists of

  • Nutritional correction: reviewing the diet and meal schedule in order to reduce the load on metabolism and make nutrition sustainable.
  • Physical activity: a gradual increase in load under the doctor's supervision, so that the body adapts without overloads and injuries.
  • Work with a psychologist: examining eating habits and behaviour, because without this, changes in nutrition often roll back.
  • Selection of therapy: the doctor considers medication support when indicated, when other measures are not enough for a result.
  • Follow-up with specialists: regular visits to the endocrinologist and dietitian help to change the plan in time and notice shifts.
  • Surgical treatment: surgery is discussed in cases of severe obesity and indications, when conservative approaches have not produced an effect.

What depends on the patient themselves

The regularity of follow-up with specialists largely determines how long the result lasts. The management of obesity is usually long-term, so rare visits and pauses in treatment blur the picture. The patient decides for themselves whether to adhere to changes in nutrition between doctor's appointments. Increasing activity also rests on habit, not on isolated efforts. Working with eating habits requires time and repetition, and here the person's mindset is important. If something is not working out, it is worth telling the doctor at the visit, rather than postponing the conversation. In this way the specialist will adjust the plan in time and suggest what to change in the daily routine.

What helps prevent an exacerbation?

This section is about what depends on the person themselves: daily habits, routine and regular monitoring. Simple changes in diet, activity and sleep help keep the condition stable and reduce the risk of flare-ups.

What is changed in habits

A balanced diet without overeating directly affects weight and metabolism, and therefore the course of the condition. Portions should be proportionate to actual need, not to the habit of finishing everything on the plate. Regular physical activity supports the heart, blood vessels and joints, which have a harder time when there is excess weight. Sufficient sleep and stress management are important because lack of sleep and tension often lead to overeating and lapses. Monitoring weight and waist circumference helps notice changes earlier than they become noticeable in how you feel. If weight is increasing or unusual sensations have appeared, it is sensible not to postpone a visit to the doctor. Keep a food and activity diary: the records show the real picture, not an approximate one.

What should be kept under control

  • Body weight: regular weighing under the same conditions shows the trend, not one-off fluctuations.
  • Waist circumference: this measure reflects the distribution of fat and the associated metabolic risk.
  • Diet: it is important to track portion sizes, meal times and the number of snacks during the day.
  • Physical activity: it is worth recording how much movement occurs during the day and how it is tolerated.
  • Sleep and stress: their effect on appetite and weight is noticeable, so disruptions to the routine are best not left unattended.
  • How you feel: any changes in weight or metabolism are a reason to consult a doctor promptly.

How often to see a doctor

Regular medical check-ups help notice changes in weight and metabolism in time, even when you feel well. Many shifts in the body develop gradually and do not produce obvious symptoms for a long time, so relying only on how you feel is unreliable. At a check-up, the doctor assesses the trend, compares it with previous observations and, if necessary, adjusts the recommendations. Missing such visits is dangerous because the moment when intervention would be simplest is lost. The frequency of check-ups is determined by the doctor taking into account the condition, age and accompanying factors, so there is no universal schedule. If swelling, breathlessness on exertion or severe weakness have appeared, the visit should not be postponed until the scheduled date. Keep the results of previous examinations to hand: comparing indicators over time helps the doctor assess the situation more accurately.

What is worth remembering

Obesity is a condition in which the body's fat stores become excessive and begin to affect the functioning of internal organs. Below are the conclusions that help you approach this condition calmly and matter-of-factly.

Key conclusions

Obesity develops gradually and is rarely the result of weak willpower alone, so looking for the culprit in your own laziness is pointless. Weight is influenced by many circumstances: heredity, hormonal background, sleep, nutrition, daily activity and concomitant conditions. Obesity can be noticed not only by the number on the scales, but also by breathlessness when climbing stairs, snoring, and rapid fatigue. Over time, excess weight increases the load on the heart, blood vessels, joints and metabolism, so it is not worth waiting for a convenient moment. A conversation with a doctor is needed not to hear a reproach, but to understand the cause and draw up a realistic plan of action. Obesity is not treated in a week, but sustainable changes in habits give a result that is maintained for years. If weight is growing for no clear reason or alarming signs appear, postponing a visit to a specialist is unwise.

Portal Editorial TeamMedical editorial team

Covers what does not belong to a single specialty: how an appointment works, what to bring with you, how to read a referral. Every text is reviewed by a relevant doctor before publication.

PublishedUpdatednot updated

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Questions and answers

Answered by the article’s medical editor.

Can obesity develop in a child?

Yes, obesity occurs in children too. It is usually linked to diet, a sedentary lifestyle and heredity, rather than to weak willpower alone. A child who is overweight needs a paediatrician's examination to rule out hormonal causes and assess their general condition. Parents should discuss diet and activity with the doctor, without turning it into prohibitions and reproaches.

How does obesity in older people differ from obesity in younger people?

Usually it is more severe in older people. With age, muscle mass decreases and the load on the joints and heart grows, so breathlessness and knee pain appear sooner. Concomitant conditions are more common, and any changes in weight are tolerated worse. That is why it is especially important for older people to be seen by a doctor and not to change their diet abruptly.

Which tests should be done first?

Usually they start with simple measurements. The doctor measures weight, height and waist circumference, calculates the body mass index, then orders blood tests for sugar, lipids and hormones. Ultrasound of the internal organs is done when indicated. This order allows the cause of weight gain to be understood and its effect on metabolism to be assessed.

Can you do sports if you are very overweight?

Yes, but the load is increased gradually. A sudden start with running or jumping puts extra strain on the knees and spine, so you begin with walking, swimming or cycling. The doctor helps to choose the type of activity taking into account the condition of the joints and heart. Regularity matters more here than intensity.

Does office work affect weight gain?

Yes, a sedentary job contributes to weight gain. Long hours at a desk reduce energy expenditure, while snacks and coffee with additives quietly add calories. Short breaks with movement, a walk at lunch and a stroll after work help. If the weight still grows, that is a reason to discuss the situation with a doctor.

How does obesity affect pregnancy?

Usually it increases the risks for both the mother and the child. Excess weight increases the load on the heart, joints and metabolism, and also affects the course of pregnancy. That is why women with obesity are advised to plan pregnancy together with a doctor and to be seen by specialists. Losing weight abruptly during pregnancy is not advisable.

What complications develop over time?

Over time, the heart, blood vessels, liver and joints suffer. The load on the spine and knees grows, breathlessness, snoring and sleep disturbances become more common, and metabolism changes. These changes develop gradually and for a long time produce no obvious symptoms. Regular check-ups help to notice them earlier.

When should you call an ambulance if you have obesity?

Immediately, if chest pain or difficulty breathing appears. These signs require urgent help, not a routine visit. A reason to call a doctor is also severe weakness and a sudden deterioration in how you feel. In other cases, it is enough to make an appointment with an endocrinologist or a general physician.

Which doctor should you go to if there is no endocrinologist nearby?

To a general physician at your place of residence. They will assess the overall picture, rule out obvious causes of weight gain and refer you to the right specialist. If possible, you should see an endocrinologist and a dietitian: the first deals with metabolism, the second helps to build a diet. Starting with a general physician is quite reasonable.

How long do you need to be seen by a doctor?

Usually the follow-up is long-term. Obesity is a condition that develops over years, so working on it does not end after a few visits. The frequency of check-ups is determined by the doctor taking into account your condition and concomitant factors. Regular visits help to notice changes in time and adjust the plan.