Dehydration is not only caused due to prolonged exposure to heat nor is a summer illness, but it can arise from strenuous physical workouts or diarrhea. Severe thirst followed by dry mouth, parched lips and dizziness are common symptoms of dehydration which if neglected can be fatal. Water not only regulates our body temperature and other vital functions but also helps in maintaining proper electrolytic balance. Severe perspiration or water loss due to diarrhea disrupts the electrolytic balance and the patient may collapse totally. You may feel any of the above mentioned symptoms especially after sweating a lot. The following home treatments can come to your rescue.