1. What Does a School Pharmacist Measure in a Japanese Classroom?
When a class sits with the windows shut, the carbon dioxide we breathe out slowly builds up. Japan's national school environment standard, issued by the education ministry, says the carbon dioxide level in a classroom is desirable at 1,500 ppm or lower. [3] "ppm" means parts per million, so 1,500 ppm is 0.15% of the air. It is a small number, which is why the check needs an instrument rather than a feeling that the room is stuffy.
The same standard lists many other items: temperature, humidity, dust, light on desks and blackboards, glare and classroom noise. Carbon dioxide is measured with a detector tube, and most of the classroom items are to be checked twice every school year. [3] The version we read dates from 2009, and the standard has been revised since, so treat the numbers as an example of how detailed it is, not as today's exact rules.
A trade-press explainer for pharmacists says school pharmacists also look at drinking water, pool water, pests and the storage of chemicals, report to the school, and suggest fixes when something is off standard. [4] They are advisers: the education minister sets the standard, and the school has to act on the findings. [2]
2. Why Does Japanese Law Require a Pharmacist at School?
The rule is in the School Health and Safety Act. Article 23 says that schools shall have a school doctor, and that schools other than universities shall also have a school dentist and a school pharmacist. [2] Together the three are sometimes called the "three school health professionals". [4]
The same explainer says that many school pharmacists are ordinary hospital or pharmacy pharmacists who take on the school role as well. They do not stay in the building; they visit when needed. [4] So the person who tests your classroom air might spend the rest of the week behind a pharmacy counter.
The Act tells us that schools have this role, but the text we read does not spell out why a pharmacist was chosen. The Pharmacist Act offers one clue. Its first article says a pharmacist's mission covers "dispensing, supply of medicines and other matters of pharmaceutical and public hygiene", in order to improve public health and secure healthy lives for the people. [1] Air, water and chemicals in a school are matters of public hygiene. That is our reading of the two laws side by side, not something either law states.
3. How Many of Japan's Pharmacists Work Outside Pharmacies?
Japan's health ministry counts every pharmacist who registers with it. At the end of 2022 that was 323,690 people, or about 259 per 100,000 residents. This is a count of registrations, not of people known to be working. [5]
Of those, 190,735 (58.9%) worked in pharmacies, and 62,463 (19.3%) worked in medical facilities: 56,585 in hospitals and 5,878 in clinics. [5] That leaves about one in five outside both. Among them, 37,086 worked for drug-related companies, 6,927 in public health administration or health facilities, and 4,902 in universities. [5] Dividing by the total gives roughly 11.5%, 2.1% and 1.5%. The rest of that group is not broken down in the source we read, and it may include people who are not currently working.
So pharmacies are the biggest single workplace, but tens of thousands of pharmacists work somewhere else. Dispensing in a pharmacy is covered in another article on this site.
4. What Do Pharmacists Do in Hospital Wards and Public Health Offices?
Hospitals vary, so here is one example: the pharmacy department of the Chiba Prefectural Cancer Center. Its pharmacists prepare all the anticancer drugs for patients who visit the hospital and those staying there, working inside five specially ventilated safety cabinets meant to protect the staff from exposure. They sort each patient's injections into a personal tray, one day's worth at a time, checking dose, speed and how drugs interact. And each general ward has its own pharmacist, who checks the medicines patients bring from home, joins the doctors' rounds and watches for side effects. [6] This pharmacist is part of the care team, not just the person at the counter.
Another group works for local governments. Yamanashi Prefecture's recruitment page says its pharmacist staff inspect and advise pharmacies, drug-manufacturing sites, restaurants and food factories, investigate food poisoning and infectious disease, and run prevention campaigns; some work in a public health laboratory testing food, drinking water and the environment. [7] This is a prefecture's own job description, not a national rule, but it shows what "public hygiene" can mean in practice: looking after a whole community instead of one patient at a time.
5. How Can One Profession Work in Schools, Wards and Laboratories?
All of these people hold the same national qualification. Since the 2006 school year, Japan's pharmacy education has been a six-year course instead of four, and the national pharmacist exam is open, in principle, to graduates of the six-year programs. A few people from the old four-year programs, who entered by 2017, can sit it under extra conditions. [8]
Why does one qualification fit such different jobs? The sources do not say directly. The Yamanashi page gives a hint: it admits that public health pharmacists use their knowledge of medicines less directly than pharmacy pharmacists do, but says the knowledge and skills they built up are very useful in inspection work that needs science-based guidance. [7] One way to picture it is that pharmacists use scientific knowledge to check things and explain what they find to someone who has to act on it. Whether you are checking a prescription or a classroom, that habit applies. This is our interpretation, not a claim from the sources.
6. How Can You Find Out Who Checks the Air at Your School?
What you can do today: ask your teacher or school nurse who checks the air, water and light in your school, and how often. Countries organise this differently, so the answer may not be a pharmacist where you live. That is part of what makes it worth asking.
If you want to see the sources: the Pharmacist Act's first article and Article 23 of the School Health and Safety Act are short, and both are on the Japanese government's e-Gov law site in Japanese. [1] [2] Ask an adult to help you use a translation tool, and compare what you read here with the original wording.