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Dehydration may cause dizziness or vertigo. That said, dizziness can have many causes. In any case, if you think you might be dehydrated, drink fluids right away. Water is vital to our

health and well-being. In fact, about 60 percent of our body weight is made up of water. Dehydration happens when you lose more water than you take in. When this happens, your body doesn’t

have enough water to effectively carry out critical tasks like breathing, digestion, and other essential functions. Although you can become dehydrated simply by not drinking enough water, it

can also happen due to: * being sick with a fever, vomiting, or diarrhea * increased sweating from exercise or from being out in hot, humid weather * excess urination, which can happen due

to conditions like diabetes or by taking certain medications, such as diuretics or certain blood pressure medications There are several symptoms of dehydration. One of these is dizziness

which can be felt in several different ways, including as a spinning sensation known as vertigo. In this article, we’ll take a closer look at vertigo due to dehydration and other symptoms to

look out for. We’ll also explore the steps you can take to prevent dehydration. Can dehydration cause vertigo? Dehydration can lead to dizziness. When you’re dizzy, you may feel: *

lightheaded * unsteady * woozy * faint If you’re dehydrated, it’s also possible that you could experience a specific type of dizziness known as vertigo. When you have vertigo, you feel as if

you or your surroundings are spinning. Other sensations associated with vertigo include: * floating * swaying * tilting When you experience dizziness or vertigo, you may also feel: * nausea

* the need to sit or lie down * worsening symptoms when you stand or move However, it’s important to note that there are other conditions besides dehydration that can cause vertigo, such as

inner ear problems and migraine. How does dehydration lead to vertigo? You may be wondering why vertigo happens when you’re dehydrated. Let’s examine this in more detail. When you’re

dehydrated, your body doesn’t have enough fluids to function effectively. This can have an impact on many parts of your body, including your circulation. People who are dehydrated often have

reduced blood pressure or lower blood volume. When this happens, blood may not reach your brain in the way that it should. This can lead to feelings of dizziness or vertigo. Most of the

time, the dizziness caused by low blood pressure isn’t a vertigo-like feeling. Instead, low blood pressure due to dehydration typically causes a lightheaded feeling, like you’d pass out if

it got worse. But there may be instances where low blood pressure could cause the spinning sensation of vertigo. It’s just not as common as feeling lightheaded. What are the other signs of

dehydration? Some other dehydration symptoms to watch out for include: * THIRST. Feeling thirsty is your body’s way of telling you that you need to drink more fluids. * REDUCED URINATION.

When you’re dehydrated, your body will signal your kidneys to retain fluids. Because of this, you’ll likely urinate less frequently. * DARK URINE. If you’re well-hydrated, you urine is

typically clear or pale yellow. Dark urine indicates that your urine has become more concentrated. * CONSTIPATION. Your large intestine (colon) is responsible for absorbing water from your

food. When you don’t have enough fluids, your stools may become harder and more difficult to pass. * DRY MOUTH, LIPS, OR SKIN. As your body loses fluids, you may notice dryness, flaking, and

cracking of your lips and skin. * FATIGUE. Being dehydrated makes it harder for your body to carry out its normal functions. Because of this, you may feel lethargic or more tired than

usual. * HEADACHE. Headache due to dehydration is pretty common. A small 2004 study found that 1 in 10 study participants experienced headache due to dehydration. This was relieved by

drinking water. What should you do if you think your dizziness is caused by dehydration? If you’re feeling dizzy due to dehydration, you can take the following steps to help ease your

symptoms: * REHYDRATE. Try to replenish lost fluids as soon as possible. Focus on drinking water. Sports drinks or oral rehydration solutions can also be helpful for restoring lost

electrolytes. * SIT DOWN. Move into a sitting position until your feelings of dizziness pass. When you begin to feel better, get up slowly. * MOVE SLOWLY. Remember that dizziness and vertigo

can increase your risk of falling. If you must move, do so slowly. Try to hold onto something in case you lose your balance. * AVOID CERTAIN ACTIVITIES. Some activities can be dangerous

when you’re feeling dizzy. Avoid driving, operating machinery, or climbing up onto anything. WHEN TO SEEK MEDICAL ATTENTION There are some warning signs to watch out for that could be an

indication that dehydration has become more serious. Seek immediate medical attention if you or a loved one: * has a rapid heart rate * feels confused or disoriented * has trouble walking or

moving around * has diarrhea or vomiting that lasts longer than 24 hours Severe dehydration can cause serious complications, such as: * urinary and kidney problems * seizures due to low

levels of sodium and potassium * heat exhaustion or heatstroke * hypovolemic shock, a life threatening condition that’s caused by low blood volume Dehydration can be treated in a hospital

with intravenous (IV) fluids and electrolytes. How to prevent dehydration The following tips can help you stay hydrated throughout the day. GET ENOUGH WATER According to the Centers for

Disease Control and Prevention (CDC), there are no specific recommendations on daily water intake. However, according to the Mayo Clinic, drinking 8 glasses of water per day is a reasonable

goal for most people. Additionally, the National Academies of Sciences, Engineering, and Medicine notes that an adequate daily fluid intake is: * 2.7 liters (91 ounces) each day for women *

3.7 liters (125 ounces) each day for men Your daily fluid intake doesn’t just include the water you drink but also fluids that you get from other foods and beverages, such as: * fruits with

high water content like watermelon, strawberries, cantaloupe, and oranges * vegetables with high water content, such as lettuce, cabbage, and celery * low-sodium broths and soups * beverages

like fat-free milk, herbal tea, juices, and sports drinks KEEP WATER ON HAND Try to always have ready access to water. If you find that you often forget to hydrate, it may be helpful to

make a habit of carrying a reusable water bottle with you. Having water easily available is especially important when: * you’re exercising * the weather is hot or humid * you’re doing

anything to make you sweat more than usual HYDRATE MORE WHEN YOU’RE ILL If you become sick with fever, vomiting, or diarrhea, be sure to drink additional fluids. Don’t wait until you’re

already feeling dehydrated to have a drink of water. Other causes of vertigo There are other potential causes of vertigo. Many of these causes involve problems with your inner ear, which

helps control your sense of balance. Inner ear conditions that can cause vertigo include: * benign paroxysmal positional vertigo (BPPV), a condition where changes in the positioning of your

head can lead to brief periods of vertigo * Meniere’s disease, a rare inner-ear condition that involves tinnitus and hearing loss * labyrinthitis, an inflammation of the fluid-filled

passages of your inner ear * vestibular neuritis, an inflammation of the vestibular nerve in your inner ear Other conditions that can also cause vertigo include: * migraine * stroke *

multiple sclerosis * head injuries * brain tumors * certain types of medication, such as seizure and epilepsy medications and salicylates The bottom line One of the potential symptoms of

dehydration is dizziness. You may feel lightheaded or woozy. In some cases, you may also feel as if you or your surroundings are spinning or tilting. This is known as vertigo. If you’re

dehydrated and dizzy, try to drink fluids right away. Carefully move into a sitting position to avoid falling. When your dizziness passes, be sure to get up slowly. You can prevent

dehydration by taking in fluids throughout the day. You’ll need to hydrate more during exercise, in hot or humid weather conditions, and when you’re sick. If you or a loved one is severely

dehydrated, be sure to get immediate medical care.