What are the signs of dehydration I need to look out for? What is the correct amount of water we should be drinking each day? This are common questions that many doctors get asked daily, including Dr. Fazil, especially if you live in arid climates. Dehydration can creep up on you without even knowing it, always be aware of how you. are feeling and if you notice you are becoming thirsty quickly, these are major signs of dehydration. When rehydrating, there are many factors that come into play when deciding the correct amount of water/fluids to drink, this includes your current health, the area where you live, any medications you are currently taking and many others factors. In this recent interview, Dr. Fazil helps quench this question and provide an answer to his viewers and patients.