U.S. doctors online nowAsk doctors free
Canada
A 21-year-old female asked:

I'm 21 and 300 pounds how long would it take for me to get dehydrated ?

1 doctor answer1 doctor weighed in
Dr. David Nelson
Family Medicine 33 years experience
No set answer: There isn't a straight answer for you. If you are having vomiting and diarrhea, it can happen in in just a few hours. If you have cotton mouth, aren't urinating and your skin tents up when you pinch your forearm, you are moderately dehydrated and may need IV fluids.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Educational text
Free
Talk to a doctor
24/7 visits - just $39!
50% off with $15/month membership
Last updated Jun 10, 2014

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.