Introduction to Occupational Hygiene - Free Online course | Alison

Introduction to Occupational Hygiene - Revised

Improve your understanding of occupational hygiene and its impact on health in the workplace with this free course.

Health and Safety
Free Course
This free online course in Occupational Hygiene will teach you how to assess health risks in the workplace and help an organization maintain high quality workplace health and safety. Occupational Hygiene is the discipline of anticipating, recognizing, evaluating, and controlling health hazards in a work environment. Its aims to objective is to protect workers' health and well-being as well as safeguard the community at large.





View course modules


This course will first introduce you to occupational hygiene and why it is important to recognize health hazards in the workplace. You will learn the history of occupational hygiene and how different parts of the body can be damaged due to inadequate occupational hygiene. You will then learn about contact dermatitis, the musculoskeletal system, the nervous system, the endocrine system, the gastrointestinal system, and the circulatory system. The course will also discuss the major functions of the respiratory system as well as of the liver, kidney, and the eyes.

You will then look into toxicology and the three main entry routes where toxins enter the body. You will also study hazardous substances and how to assess health risks in the workplace. You will learn that much of the work involved in assessing workplace hazards can be carried out by accessing Materials Safety Data Sheets (MSDS) which is a standard way of communicating toxicology and other relevant information about dangerous substances. You will also learn that all assessments of risks to health should be reviewed at least every two years.

The role of occupational hygienists is very important in an organization. They ensure that workplace health and safety is maintained by identifying, evaluating, and controlling the exposure of the workers to chemical, physical, ergonomic, and biological hazards. This Introduction to Occupational Hygiene online course is designed to help you enhance your role as an occupational hygienist. So, enrol in the course today, and improve your professional skills in just a few short hours.

Start Course Now

Learning Outcomes

Having completed this course you will be able to: 

• Explain the importance of occupational hygiene
• Define how the skin plays an important role in protecting our bodies
• Describe different skin disorders
• Identify the functions of the musculoskeletal system
• Explain the functions of the nervous system; - Describe what the endocrine system does
• Explain the role of other parts of the body
• Describe the three main routes of entry of toxins into the body
• Explain the role of metabolism
• Identify examples of hazardous substances
• Distinguish between a hazard and a risk
• Explain the process of assessing health risks


All Alison courses are free to enrol, study and complete. To successfully complete this Certificate course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Certificate course, you have the option to acquire an official Certificate, which is a great way to share your achievement with the world. Your Alison Certificate is:

Ideal for sharing with potential employers - include it in your CV, professional social media profiles and job applications
An indication of your commitment to continuously learn, upskill and achieve high results
An incentive for you to continue empowering yourself through lifelong learning

Alison offers 3 types of Certificates for completed Certificate courses:

Digital Certificate - a downloadable Certificate in PDF format, immediately available to you when you complete your purchase
Certificate - a physical version of your officially branded and security-marked Certificate, posted to you with FREE shipping
Framed Certificate - a physical version of your officially branded and security-marked Certificate in a stylish frame, posted to you with FREE shipping

All Certificates are available to purchase through the Alison Shop. For more information on purchasing Alison Certificates, please visit our FAQs. If you decide not to purchase your Alison Certificate, you can still demonstrate your achievement by sharing your Learner Record or Learner Achievement Verification, both of which are accessible from your Dashboard. For more details on our Certificate pricing, please visit our Pricing Page.


    You have received a new notification
    Click here to view them all