Around 400,000 cases of heat illness are reported annually, with more than 40,000 people being rushed to hospital.
If you feel sick/ill when it is hot, ask for help.
You don't have to hesitate to call the ambulance. The health insurance will cover it or calling the ambulance itself can be free. Compare to the other western countries Japan's medical cost is more affordable and quicker.
Take your passport with you. An interpretor will be present at many hospitals. They will assist you over the phone. 24 hours.
If someone loses consciousness or is unable to drink independently, call an ambulance.
Get over Japan's summer!!!
Licensed real estate agent.