What Happens If You Drink Hydrogen Peroxide?

By Staff WriterLast Updated Mar 31, 2020 2:14:14 AM ET

The effects of drinking hydrogen peroxide vary depending on the amount consumed and its concentration. Consumption of small quantities of dilute hydrogen peroxide can have minor, if any, clinical effects, while drinking larger amounts or higher concentrations has caused fatalities. According to the National Institutes of Health, common hydrogen peroxide concentrations range from 3 percent, which is used as a disinfectant, to 90 percent, which is used as rocket fuel.