Signs of dehydration The following are signs of dehydration to be aware of that suggest you may need more fluids: dark or concentrated urine dry mouth headache dizziness or lightheadedness worsening constipation unexplained fatigue Read more: What to Know About Dehydration When to seek medical care Contact your doctor or healthcare team if you experience severe or persistent vomiting or diarrhea (lasting more than 24 hours), significantly decreased urination, confusion, or signs of dehydration that dont improve
Julius et al
Preventing Dehydration to Protect Your Kidneys Prevention is always better than cure, especially when it comes to kidney health
You can read the full study in Nature here References Su, Q.J., Ashenhurst, J.R., Xu, W., Tran, V., Wu, R.R., Weldon, C.H., Shi, J., Hicks, B., 23andMe Research Team, Abul-Husn, N.S., Aslibekyan, S., Holmes, M.V., Koelsch, B.L