Doctors and scientists in India are warning of the dire hazards of trying to make medical oxygen at home as the country faces a shortage of the gas in its Covid-19 battle and various videos and tips on DIY methods do the rounds on social media.

Google Trends data showed searches for the phrase "how to make oxygen at home" peaked on April 25 as the crisis worsened, while YouTube videos detailing such processes have amassed hundreds of thousands of views. Videos showing how to make oxygen through methods like electrolysis are increasing in number.