Hydralyte Ice Block S/Berry Kiwi 16sHydralyte may be taken on the first signs of fluid loss due to vomiting and diarrhoea. Hydralyte may also be taken to help manage dehydration caused by heavy sweating, vigorous exercise, excess alcohol consumption, or due to a hot or dry environment. Drink Hydrate when thirsty or exhibiting the signs of dehydration. If signs of dehydration persist, consult your healthcare professional. Always read the label, use only as directed.