Preventive and Social Medicine (PSM), or Community Medicine, is a branch of medical science that trains MBBS students to view disease occurrence through a population-wide perspective.

It involves understanding of diseases by explaining their causes, spread, and nature through social, environmental, economic, and behavioral factors. With well-organised PSM topics, syllabus concepts, and notes, complex health concepts can become scoring topics. 

Keep reading to know more about a detailed PSM syllabus and high-yield topics!

PSM Notes, Syllabus, and High-Yield Topics for MBBS

The MBBS PSM syllabus includes topics of behavioural sciences, epidemiology, biostatistics, nutrition, national programmes, etc. It is aimed at helping students who want to focus on concept-heavy, exam-relevant areas tested in university exams, NEET PG, INI, and CET.

The PSM syllabus has different sections that contribute to the prevention, promotion, and rehabilitation of healthcare. The following is a detailed and exam-oriented outline:

1. Behavioral Sciences

• Social and behavioural sciences: Definition and scope
• Culture, society, and health
• Role of family in health and disease
• Health behaviour and illness behaviour
• Social organisation and community participation
• Measurement of socio-economic status (BG Prasad, Kuppuswamy scales)
• Questionnaire and interview schedule design
• Pre-testing and validation of questionnaires
• Attitudes: Definition and components
• Attitude formation and attitude change methods
• Measurement of attitudes

2. Health Education

• Definition and principles of health education
• Objectives of health education
• Health education methods (individual, group, mass)
• Audiovisual aids (audio, visual, audiovisual)
• Communication: Types and barriers
• Skills of effective communication
• Methods of overcoming resistance in communities
• Planning a health education programme
• Information, Education, and Communication (IEC) strategies
• Evaluation of health education activities
• Health talks on hygiene, sanitation, clean water, and dental hygiene

3. Environment

• Housing and standards of housing
• Physical environment inside and outside the home
• Family environment
• Sources of water supply
• Criteria for safe water (national and WHO standards)
• Methods of water purification at the household level
• Solid and liquid waste disposal
• Air pollution: Causes and effects
• Greenhouse effect and ozone depletion
• Noise pollution and radiation hazards
• Vectors of disease
• Methods of vector control
• Insecticides and insecticide resistance

4. Biostatistics

• Definition and need for biostatistics in medicine
• Types of data
• Frequency distribution
• Measures of central tendency (mean, median, mode)
• Measures of dispersion
• Proportions, ratios, rates
• Probability
• Normal distribution
• Standard error
• Confidence interval
• Tests of significance
• Alpha and beta error
• Bias and random error
• Sample size calculation
• Sampling methods
• Random sampling and cluster sampling (EPI)
• Vital statistics
• Census and demographic indicators

5. Epidemiology

• Definition and scope of epidemiology
• Uses of epidemiology
• Measures of morbidity and mortality
• Incidence and prevalence
• Crude rates and standardised rates
• Fertility rates
• Person-years
• Sources of epidemiological data
• Concept of causation
• Bradford Hill criteria
• Natural history of disease
• Levels of prevention
• Screening: Definition and uses
• Screening vs diagnostic tests
• Sensitivity and specificity
• Positive predictive value
• Epidemiological study designs
• Cross-sectional studies
• Case-control studies
• Cohort studies
• Randomised controlled trials

6. Nutrition

• Role of nutrition in health and disease
• Macronutrients: Carbohydrates, proteins, fats
• Micronutrients: Vitamins and minerals
• Daily nutritional requirements
• Balanced diet
• Protein Energy Malnutrition (PEM)
• Micronutrient deficiency disorders
• Nutritional problems in India
• Assessment of nutritional status
• Growth charts
• Nutritional programmes in India
• Salt fortification
• Food adulteration: Definition and detection

7. Maternal & Child Health (MCH)

• Magnitude of maternal and child health problems in India
• Maternal morbidity and mortality
• Infant and under-five mortality
• Antenatal, intranatal, and postnatal care
• Breastfeeding: Benefits and practices
• Weaning and complementary feeding
• High-risk mothers and children
• Eligible couple: Definition
• Eligible couple protection rate
• Family planning methods
• Spacing methods
• Terminal methods
• Emergency contraception
• National Population Policy

8. Rehabilitation

• Definition of rehabilitation
• Types of rehabilitation
• Impairment, disability, and handicap
• Assessment of post-polio residual paralysis
• Individual-based rehabilitation
• Community-based rehabilitation

9. Epidemiology of Communicable & Non-Communicable Diseases

A. Communicable Diseases

• Malaria
• Tuberculosis
• Leprosy
• HIV/AIDS and STDs
• Diphtheria, pertussis, tetanus
• Poliomyelitis
• Measles, mumps, rubella
• Chickenpox
• Acute respiratory infections
• Diarrhoeal diseases
• Viral hepatitis
• Kala-azar
• Arboviral diseases
• Filariasis
• Plague
• Intestinal infestations

B. Non-Communicable Diseases

• Hypertension
• Diabetes mellitus
• Coronary heart disease
• Rheumatic heart disease
• Cancers
• Obesity
• Blindness
• Road traffic accidents

C. Other High-Yield Topics

• Epidemic investigation steps
• Immunity
• National immunisation schedule
• Cold chain
• Disease surveillance

10. Important National Health Programmes

• Reproductive and Child Health (RCH) programme
• Universal Immunisation Programme
• National Family Welfare Programme
• National Iodine Deficiency Disorders Control Programme
• Tuberculosis control programme
• National Malaria Control Programme
• Filariasis and Kala-azar control
• HIV/AIDS and STD control
• Nutrition programmes (ICDS)
• Programme evaluation methods

11. Occupational Health

• Occupational environment
• Health hazards of industrial workers
• Health hazards of agricultural workers
• Occupational lung diseases
• Occupational skin diseases
• Occupational cancers
• Industrial toxic substances
• Prevention of occupational diseases
• Workmen’s Compensation Act
• Employees’ State Insurance Act

12. Health Administration

• Organisation of health services in India
• Primary health care: Principles and components
• Health care delivery system
• District hospital, CHC, PHC structure
• Functions of health workers
• School health programme
• Health resource management
• Voluntary and international health agencies
• Disaster management: Natural and man-made

13. Health Economics

• Need for health economics
• Cost of healthcare
• Cost-effectiveness analysis
• Cost-benefit analysis
• Cost-utility analysis

14. Geriatrics

• Health problems of the elderly
• Social issues in the geriatric population
• Welfare organisations for the elderly

15. Counselling

• Definition and need for counselling
• Counselling in HIV/AIDS
• Counselling in family planning
• Counselling in sexuality and reproductive health

Quick Reference Table for PSM Topics

This table summarises the MBBS PSM syllabus and the areas most frequently tested in exams. It helps students prioritise topics while revising PSM notes.

Here is the organised table for the MBBS PSM syllabus:

Section	Major Topics Covered	High-Yield Areas for Exams
Behavioral Sciences	Social & behavioral sciences, culture, family role, SES measurement (BG Prasad, Kuppuswamy), questionnaire design.	SES scales comparison, attitude components, behavior change methods, and questionnaire validation.
Health Education	Principles, methods (individual/group/mass), AV aids, IEC strategies, programme evaluation.	Principles of health education, communication barriers, and evaluation steps.
Environment	Housing, water supply, waste disposal, pollution, vectors, and insecticides.	Safe water standards, vector control methods, insecticide resistance, and pollution effects.
Biostatistics	Data types, central tendency, dispersion, probability, Normal distribution, sampling, tests of significance.	Mean vs. median, confidence intervals, bias vs. error, sampling methods, vital statistics.
Epidemiology	Morbidity/mortality, incidence/prevalence, screening (sensitivity/specificity), study designs (Cohort, Case-control).	Incidence vs. prevalence, Bradford Hill criteria, screening tests, RCTs.
Nutrition	Nutrients, PEM, micronutrient deficiencies, Growth Charts, nutrition programmes, food adulteration.	PEM classification, vitamin deficiencies, growth charts, and salt fortification.
MCH & Family Planning	ANC-PNC care, breastfeeding, family planning, and the National Population Policy.	IMR/MMR, family planning methods (Pearl Index), high-risk pregnancy, and the eligible couple rate.
Rehabilitation	Impairment, disability, handicap, and community-based rehabilitation.	Definitions/Distinctions, disability models, and post-polio assessment.
CDs & NCDs	Communicable/Non-communicable diseases, epidemic investigation, Immunisation schedule, surveillance.	TB, Malaria, HIV, Diabetes, Hypertension, Epidemic investigation steps.
National Health Programmes	RCH, TB (NTEP), ICDS, programme evaluation.	Specific objectives, strategies, and indicators for each programme.
Occupational Health	Hazards, industrial toxins, prevention, ESI Act, Workmen’s Compensation Act.	Occupational lung diseases (Pneumoconiosis), ESI Act provisions.
Health Administration	PHC, district health system, school health, and Disaster Management.	PHC principles, health team functions, triage in disaster management.
Health Economics	Healthcare costs, economic evaluation methods.	Cost-effectiveness vs. Cost-benefit analysis.
Geriatrics	Elderly health problems, social issues, and welfare services.	Geriatric syndromes, social support systems.
Counselling	Principles, HIV/AIDS, reproductive health, and ethical issues.	Counselling steps (GATHER approach), confidentiality, and ethical issues.

Why is PSM important in MBBS?

PSM is the core of primary healthcare and the health management system in MBBS. Medical students must learn to control diseases, have a thorough knowledge of community health factors, follow national health programs, and achieve a good rank in NEET PG and INI CET.

The significance of PSM in MBBS goes far beyond the theory exams. Let’s discuss why it is given a cardinal place in medical studies in detail:

• Foundation of Preventive Healthcare: PSM focuses on disease prevention at the levels of primary, secondary, and tertiary prevention, thus decreasing the cases of morbidity and mortality before the occurrence of complications.
• Understanding Health Beyond Hospitals: PSM points out the impact of living conditions, sanitation, nutrition, education, and occupation on health, which are crucial to understand to achieve an inclusive healthcare in the nation.
• Indispensable for Public Health Planning: Epidemiology and biostatistics equip students with the skills necessary to understand data, identify disease patterns, and plan interventions.
• Direct Relevance to National Health Priorities: The understanding of national health programmes makes clinical practice correspond to India’s public health system.
• High-yield for Competitive Exams: PSM is a source of a major number of questions in NEET PG and INI, CET, mainly from epidemiology, biostatistics, and national programmes.

FAQs about PSM Notes in MBBS

1. Is PSM difficult for MBBS students?

PSM has a lot of topics to study, but it is not a difficult subject in MBBS. The key is to understand the concepts instead of memorising them.

2. What is the best way to study PSM?

Follow the PSM notes that are well-structured, practice the diagrams, and solve the previous year’s questions.

3. Is PSM important for NEET PG?

Yes, PSM is important for NEET PG since a lot of questions are asked from epidemiology, biostatistics, and national programmes.

Conclusion

PSM equips MBBS students with the ability to think beyond the scope of clinical medicine and grasp the concept of health from a population’s perspective. Though the syllabus is vast, it becomes manageable and high scoring with the help of a structured plan for preparation and regular revision of the concepts.

A concise PSM notes further facilitates quick recall and exam-focused learning, thus making PSM an indispensable and interesting part of the MBBS journey. To break down this vast topic, DocTutorials can be your study partner.
With 3D, animated lectures, complete syllabus coverage, and guided mentorship, DocTutorials enables students to establish the connection between public health concepts and their real-world applications. Join DocTutorials and explore our MBBS curriculum today!