Rehydration by hypodermoclysis is equally well accepted by geriatric patients as the IV therapy and offers a similarly easy feasibility. Additionally, in confused patients and in those in whom IV punctures are difficult to achieve, it represents the far superior method. Both techniques are comparably safe and effective.

Geriatric patients were more often treated in hospitals for Dehydration in the last years resembling a rising burden for Health systems. Elderly people are more vulnerable for Dehydration during Heat Waves especially when there are complicating factors like febrile episodes or multiple medications. In private care situations as in homes for elderly Strategies have to be implemented in Germany to prevent hospital admissions in the case of transient Dehydration. By this a rise of costs and a waste of resources should be diminished. Prehospital structures have to be implemented to maintain oral Rehydration aware of a more intensive care. At the same time there is the need to use the parenteral method of subcutaneous infusion (Hypodermoclysis) for a defined time.