Use Water-cure. Rather be thankful for the timely warning, and do something about it.
Drink at least 10% of your own daily water-quota (31.42 ml multiply by your present body weight(kg), every 90 minutes. Use 1/4 teaspoon of sea-salt in your daily diet, for every 1250 ml water drank.
Pain is a sign/signal produced by dehydration in the human body. Pain may be common but it is not normal.
To simplify complications is the FIRST essential of success.