HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

Why does drinking sea water cause dehydration?

A doctor has provided 1 answer
Dr. Tarek Naguib answered

Specializes in Nephrology and Dialysis

It does not: When you drink salty fluids you get thirsty because of the increase of salt level in blood. The thirst mechanism does not mean you are dehydrated. It makes you drink lots of water which will correct high salt in blood by diluting it back to normal.

Dr Chuu agreed

Answered 1/17/2019

5.4k views

Thank

Related Questions

A member asked:

Why do I hiccup all the time? I have looked up the reason for hiccuping on the internet, and most of them say it is caused by dehydration and drinking too much carbonated beverages. I drink a lot of water and rarely drink soda. And when i hiccup, it neve

2 doctors weighed in across 2 answers

A member asked:

Can drinking water helps in nasal congestion as it is natural histamine?is dehydration cause of nasal congestion

A doctor has provided 1 answer

A member asked:

I am all fine & suddenly my throat gets dehydrated. I drink a lot of water but no help & that dehydration causes me coughing. What should I do? Help?

A doctor has provided 1 answer

A member asked:

Why does my brain always feel fuzzy and like Im going to just fall over? Could dehydration be the cause even tho I drink water but Im always peeing because my bladder cant hold A lot?

2 doctors weighed in across 2 answers

A member asked:

I have had high RBC for 9months w/ normal-high but increasing hemoglobin&hematocrit. All levels are now high. Could dehydration be the reason? I am female and drink min 40oz of water per day &follow a healthy diet with exercise. No medications.

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

Can drinking a lot of cokes and not enough water cause dehydration?
Dehydration constantly normal drink water not doing anything to cause that maybe gained a few pounds?
My BUN was 20 today. Can dehydration cause it to be higher? Mine has always been on low end. Creatinine is normal, no other symptoms or abnormal tests. I have barely been drinking a bottle of water per day for quite a while?
What could cause frequent urination and heavy drinking of water with slight dehydration and weakness?
Do angiotensin receptor blockers make you pee more or cause dehydration? Do you need to drink more water or electrolytes while using them? Are they safe for athletes? Thanks?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

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

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
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.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.