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Doctor insights on: Will Dehydration Cause Dizziness

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Help please! could dehydration cause dizzyness?

Help please! could dehydration cause dizzyness?

Yes: Very known. As severe dehydration can cause low BP as well as several electrolyte disturbances like increase sodium. ...Read more

Dr. Ashu Syal
655 doctors shared insights

Dehydration (Definition)

In physiology and medicine, dehydration (hypohydration) is the excessive loss of body water, with an accompanying ...Read more


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If you only drink 3-5 cups of liquid a day (I have a desk job at an office) could this lead to dehydration and cause frequent lightheaded/dizziness?

If you only drink 3-5 cups of liquid a day (I have a desk job at an office) could this lead to dehydration and cause frequent lightheaded/dizziness?

How much water? : The right amount to drink depends on metabolism, diet, activity, & weather. The common advice of 8 glasses daily is not supported by science. The body tells you when to drink water: thirst. Symptoms of low blood pressure may include lightheadedness. Some young women need to drink more water and eat some salt to manage this. If symptoms are concerning, see your doc or consult on HealthTap. ...Read more

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Wat would cause light headed and dizzy when u stand up & walk around? Dehydration? Bp is 98/57. P 110. Standing. Sitting its 106/61. P71. Blood wrk ok

Wat would cause light headed and dizzy when u stand up & walk around? Dehydration? Bp is 98/57. P 110. Standing. Sitting its 106/61. P71. Blood wrk ok

Low BP and dizziness: You blood pressure, and more important, your pulse change when you stand up. Your pulse increases by about 50% and your BP falls. You may be dehydrated and, if you were, when you blood was taken, you would not have normal labs. I would go to an er and get assessed. Your rapid pulse when you stand could be the sign of some significant fluid volume deficit or some anemia. ...Read more

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What could cause these symptoms: numb right arm, lump in arm crease painful, dizziness, headache left side, dehydration, and an ANA positive test?

What could cause these symptoms:  numb right arm, lump in arm crease painful, dizziness, headache left side, dehydration, and an ANA positive test?

Numbness/lump: May be autoimmune, lupus, may be castleman's disease ( LN in axilla), may be temporal arteritis, ( headache left side), sarcoid,MS,cat scratch fever, lyme . Check thyroid, lyme titer, check for cat scratch fever, sed rae, CRP, MRI head and if needed LN biopsy, CXR, f/u with rheumatologist ...Read more

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S/S: Headache & dizziness. BP is 96/54(low for me), HR is 115bpm. Did some moderate exercise 5 hours earlier. Could this be from possible dehydration?

S/S: Headache & dizziness. BP is 96/54(low for me), HR is 115bpm. Did some moderate exercise 5 hours earlier. Could this be from possible dehydration?

Consistent: Your vital signs are consistent with mild dehydration. Other potential diagnoses could be considered. If you still have symptoms or low blood pressure after hydrating it would be worth getting checked out by a health care professional. ...Read more

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Are dizziness and throbbing head signs of dehydration or is it possible that it is something else?

Possibly: There are also many other things that could be going on. You really describe symptoms that could represent many possibilities. Hard to say without more information. ...Read more

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I have been feeling a little dizzy, almost like i can't focus. Is this a sign of dehydration?

Dehydration?: Your symptom of dizziness could be due to dehydration and it also could due to something else. Unless you're in the desert, or have some uncontrolled loss of fluid, you should not be dehydrated. If you cannot "focus" you need to go to a emergency room to have your blood pressure checked and get some lab results to see if you're anemic or have another factor causing your dizziness.Good luck. ...Read more

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I'm always sleepy and one morning I woke up very dizzy. is this dehydration?

I'm always sleepy and one morning I woke up very dizzy. is this dehydration?

Realize: For a young person, unless you have some significant medical ailments or take medications that really predispose you to significant dehydration, chronic fatigue or sleepiness is unlikely to be the major cause. It can lead to some element of "dizziness", particularly when rising, but again if this is constantly happening, dehydration alone is unlikely the only culprit. ...Read more

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I went out today for the first time when the sun was out and i got super dizzy and tired. Can that be dehydration? I also dont drink much water.

I went out today for the first time when the sun was out and i got super dizzy and tired. Can that be dehydration? I also dont drink much water.

Dehydration: can definitely cause feelings of dizziness and tiredness, and this can be worsened in the sun. Dehydration can cause a number of other problems including headache, muscle aches and pains, skin wrinkles, drop in blood pressure, passing out. Dehydration increases the likelihood of urinary tract infections and kidney stones. Remaining well hydrated can make a world of difference in how you feel. ...Read more

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Dehydration? Little dizzy just enough to annoy me little light headed nothing effecting everyday life or balance could I be dehydrated?

Certainly: Mild dehydration can certainly cause the symptoms you describe, but so can other things. If it's a now and then problem, just try to increase your fluid intake to 80-100 ounces a day. If it is a more common problem, best to get things checked out. Remember, water is best for hydration! ...Read more

Dr. Dariush Saghafi
3,543 doctors shared insights

Dizziness (Definition)

Dizziness is a feeling of light headedness that includes loss of balance, vertigo, or the feeling as ...Read more