Menu Healthy Lifestyle Diseases & Conditions First Aid Symptoms Tests & Procedures Videos Definitions FAQs HypervolemiaUpdated: 2017-06-13OverviewHypervolemia can be caused by failure of the heart, kidney, or liver, or by a high-salt diet. SymptomsSymptoms include weight gain, swelling, and shortness of breath. TreatmentsTreatments include medications, such as diuretics, and a low-salt diet. Any underlying conditions need treatment. © 1998-2022 Mayo Foundation for Medical Education and Research(MFMER). All rights reserved. Terms of Use