Can Dehydration Cause Lightheadedness?

In this text:

  • What is the Difference Between Lightheadedness, Dizziness, and Vertigo?
  • Common Causes of Dehydration
  • Signs Of Dehydration
  • What Should I Do When I Feel Lightheaded?
  • What If Water Alone Isn’t Enough?

It’s commonplace to really feel lightheaded each on occasion. There comes a time limit the place getting up too quick from a chair or the mattress could make you are feeling such as you’re going to faint. Having it occur each on occasion isn’t trigger for concern. If it’s frequent, that’s a distinct story.  

Lightheadedness also can result in accidents or point out larger issues in your physique. One of these is power dehydration. Dehydration can result in many different issues within the physique, and lightheadedness could be one in all a number of purple flags you must pay shut consideration to when monitoring your well being.   

What is the Difference Between Lightheadedness, Dizziness, and Vertigo?

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A lot of people think that lightheadedness, dizziness, and vertigo are all the identical sensation, however there are some variations between them in how they current and what causes them. So when your physician asks whether or not you are feeling lightheaded or dizzy, you’ll know the distinction. 


If you are feeling faint or rather less grounded than typical, you might be experiencing lightheadedness. You also can really feel dizzy as nicely, however lightheadedness alone wouldn’t trigger the spinning or unbalanced sensation that dizziness and vertigo do. Lightheadedness can occur with dehydration, particularly after being uncovered to warmth for an extended time period. 


Remember whenever you have been a child and you’d spin round in circles? Or perhaps whenever you rode a spinny journey at an amusement park? That sensation of your complete world spinning is traditional dizziness. If you ever really feel just like the room is spinning otherwise you’re tilting with out transferring, you’re most likely dizzy. Dizziness alone isn’t sufficient to trigger alarm, however when you repeatedly expertise it, it might be time to research what may very well be triggering it. 


Take dizziness and enhance the feeling considerably. That’s vertigo. Caused largely by inside ear issues, vertigo is unlikely to be brought on by not ingesting sufficient water. You know in case you have vertigo when you expertise any of the next:

  • A floating or tilting feeling so intense that you could barely transfer or work with out feeling such as you’re falling
  • The room appears as whether it is spinning or transferring at a fast tempo
  • Intense nausea

Vertigo usually factors to extra severe points comparable to crystals within the inside ear, irritation of nerves, or intense migraines. If you might be experiencing vertigo, seek the advice of an ENT physician to research the trigger. 

What Causes Dehydration?

Dehydration is brought on by an absence of fluids within the physique. We lose water from sweating, urinating, and from the physique using water for almost all of its main capabilities. Without correct quantities of water and electrolytes in our eating regimen, our our bodies will cry out for assist in numerous methods. 

Headaches, nausea, and fatigue are simply a number of the methods the physique indicators a necessity for extra water. Even when you do get the recommended amount of water per day,  you’ll nonetheless have to hold a eating regimen balanced with fruit and veggies which might be stuffed with water and vitamins. Without a balanced eating regimen together with the correct amount of water, your physique can turn out to be dehydrated.

And no, ingesting 4 to 6 cups of simply any drink doesn’t depend. Sodas and different sugary drinks gained’t provide help to keep the hydration your physique wants. In reality, it may do the other. So when you’ve been working outdoors within the warmth or simply completed together with your afternoon biking class, skip the temptation of a mean cola and go for water. As for hydrating meals, attempt consuming a salad or applesauce when you want a greater variety from normal fruits and veggies. 

Common Causes of Dehydration

  • Diarrhea and vomit
  • Certain medicines
  • Alcohol 
  • Fruit juices with low water content material 
  • Energy drinks
  • Large quantities of Caffeine
  • Heat stroke

Severe dehydration may even trigger excessive problems like urinary and kidney points because of low ranges of sodium and potassium hypovolemic shock.

Signs Of Dehydration

Certain persons are at an elevated danger of dehydration. Infants, the aged, athletes, those that are sick and battle to eat and drink, individuals who have diabetes and people who spend numerous time outside in sizzling climates. If you discover any of the next signs, you may additionally be experiencing dehydration. 

  • Constipation
  • Fever
  • Thirst
  • Muscle cramps
  • Dry mouth
  • Dark urine
  • Lack of sweat

Why Do I Feel Lightheaded When Dehydrated?

One main cause as to why you’d really feel lightheaded when dehydrated is as a result of most of your physique requires water to operate. Depending in your peak, weight, and different elements, your physique wants wherever from 50 to 70 percent of its physique weight in water. 

Water controls the whole lot from blood strain, digestion, joint capabilities, your mind’s capacity to assume, and so many extra. Some of the potential causes of lightheadedness could also be associated to power dehydration, comparable to low blood strain, and low blood sugar.

What Should I Do When I Feel Lightheaded?

There are just a few vital steps to take in the case of lightheadedness. If it comes on out of the blue, it may sign an emergency. Consult emergency providers instantly when you’ve by no means skilled the sensation earlier than or it’s extra extreme than typical.

Some of the explanations for lightheadedness can vary from delicate to extreme, so it’s essential to hold observe of your signs and different vitals. Some causes can embrace the next: 

  • Low blood strain
  • Low blood sugar
  • Allergies
  • If you’ve got the chilly or the flu
  • Anxiety
  • Stress
  • Hyperventilation
  • Heart assault
  • Stroke
  • Shock

For life-threatening emergencies, name emergency providers and wait for his or her directions for what to do. But for lightheadedness you possibly can safely assume it’s from dehydration or one other delicate situation, attempt the next suggestions. 

Do Not Chug the Water

Chugging down a bunch of water directly is not going to immediately repair your downside. In reality, it may shock the physique and make you are feeling worse than earlier than, particularly when you drink very chilly water after being in a particularly sizzling surroundings. 

Sip water steadily giving your physique an opportunity to regulate to the conventional ranges of water coming into the physique. Again, in case you are feeling lightheaded because of dehydration from being outdoors within the warmth, drink room temperature water and nothing ice chilly.

Make Sure You Sit or Lie Down

In order to keep away from accidents from stumbling or falling, discover a place to sit down or lay on whereas you determine what is likely to be inflicting your lightheadedness. The sensation might not go away, however you’ll keep away from feeling a lot worse by dodging potential obstacles and damaged or sprained bones. 

Meditation and Deep Breathing

If your lightheadedness is brought on by stress or nervousness, then take a while to apply mindfulness. If you’re unfamiliar with mindfulness, it’s a means of staying in tune with the ideas in your thoughts and their relationship together with your physique. 

Stressful ideas could cause pressure within the physique, and the extra you ignore it, the more serious it may possibly get. Close your eyes and concentrate on the sensations round you, what you possibly can see, scent, contact, and listen to. Any irrelevant ideas needs to be ignored or informed to remain away mentally as you might be meditating. 

When you might be at a very good place, focus in your respiratory by inhaling for 5 to seven seconds, holding for a similar period of time, and exhaling for a similar period of time. Repeat as usually as crucial for greatest outcomes. 

Get Your Electrolytes Checked

If that is occurring always, then you might have to get a health care provider’s opinion. They might take a look at your electrolyte ranges to research what could also be occurring in your physique. Even whenever you get sufficient water, electrolytes should be current within the physique as nicely. 

An electrolyte panel take a look at is an ordinary process at physician’s workplaces, so know that it’s a fast and well-practiced course of. Your physician will clarify the outcomes to you and inform you what steps to take as a way to get your electrolytes again in steadiness. 

What If Water Alone Isn’t Enough?

If you’ve been faithfully ingesting water each single day and nonetheless get dehydrated, it may possibly really feel hopeless. You’re doing the whole lot proper and but you don’t see the advance you anticipate. This could also be since you are lacking key electrolytes in your eating regimen which might be simply as vital to your physique’s functioning. 

We know what it’s wish to be conscious of your well being solely to be upset by the outcomes. Our CEO and founder skilled disagreeable signs of dehydration earlier than discovering that dehydration and an electrolyte imbalance was the trigger. 

As a strong resolution to dehydration and electrolyte imbalance with out sacrificing premium components and scientifically-proven outcomes, Cure supplies top-tier electrolyte drink mixes for hydration and higher power every single day. 


Hydrating Electrolyte Mix

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Here at Cure, we imagine that correct hydration is the inspiration of well being and an efficient option to enhance your total well being. With clear components, science-backed merchandise, and water; our hydration merchandise will assist empower you to reside a more healthy life. 

We exist to empower others to reside higher and more healthy lives with clear and efficient merchandise. We’re at all times studying to do higher every single day. We need to promote a wholesome house on the planet and within the office. Most of all, we need to be reliable and clear with our prospects, and we reside by these guarantees to you. 

Happy, Healthy Hydration with yours really, Cure. 


Dizziness | What It Is, Causes & Management | Cleveland Clinic

How much water should you drink? | Harvard Health

“Water: How much should you drink every day?” | Mayo Clinic

Electrolyte Panel | Medline Plus

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