What Does Hydrogen Peroxide Do To Your Lungs?

What Does Hydrogen Peroxide Do To Your Lungs? coughing and/or shortness of breath. Higher exposures may cause a build-up of fluid in the lungs (pulmonary edema), a medical emergency, with severe shortness of breath. ► Exposure to Hydrogen Peroxide can cause headache, dizziness, nausea and vomiting . What happens if you breathe in hydrogen peroxide?