How to Avoid Dehydration Throughout Your Everyday Life

May 29, 2018

Doug Rich

by Doug Rich
PT, OCS, CHT | Civic Center Scottsdale Location

Dehydration doesn’t just affect you when you are outside sweating, or when hiking through the hot desert. Dehydration can affect you just as easily when going through your normal daily activities. This article has information on dehydration signs, the toll it takes on your body, and hydration tips.
Symptoms of Dehydration to Watch out For: 

  1. Dry mouth
  2. Headaches
  3. Increased thirst
  4. A low volume of urine with a darker yellow color than normal
  5. Tired or sleepy
  6. Dry skin
  7. Dizziness
  8. Muscle cramping

How Much Water Should I Drink to Stay Hydrated?
Dehydration by definition means a loss of body fluid greater than what your body needs to take in for proper function. So what is the proper amount of water we need to take in? That is a question we are asked to answer on a weekly basis at Foothills Sports Medicine. The answer to this can and will vary with almost every individual. Activity, size, environment, age, medications, and type of fluids can all affect the answer to how much fluid you need to take in a day. Most physicians, when pushed, say you need 8–10 glasses of water a day.
Of course, that leads to the next question. How big of a glass? Well, most juice glasses are about eight ounces. So, eight, eight-ounce glasses of water equates to 64 ounces a day. That’s about two big gulps of water from your local convenience store.
Other questions you could be asking are; “How does my shape and size affect what I need?” “What if I sweat a lot?” “What if I take diuretics?” “What if I work out a lot?” One rule of thumb you can use is: drink half your weight in ounces of water a day. If you weigh 100 pounds then, most likely, 50 ounces of water a day is enough. If you weigh 160 pounds then 80 ounces is probably enough.  Even then, no answer will be perfect for everyone.
Our body has a built-in thirst regulator called the hypothalamus that kicks in when it feels the body’s water levels are becoming too low. It will tell us we are thirsty and need to drink something. You might think, ‘great, I will simply drink when I’m thirsty and I will be ok.’ But, that isn’t exactly the case. If you are taking in around 60 ounces of water, and you’re not very active, you are probably okay. However, if you are drinking caffeinated beverages, you will not be getting the hydration necessary to function.
Caffeine is a diuretic, which means you will basically rid whatever you drink. Even then, it isn’t that simple.  Our hypothalamus tends to quit working as well in our later years. As your hypothalamus becomes less responsive, you will begin to not feel thirsty as often. In these cases, people tend to hydrate when they feel dry mouth, also known as cotton mouth. Unfortunately, a small sip of water can rid one of this symptom while not being enough to replace what your body is actively losing.
Patients often say they drink water consistently all through the day. But, if they are only taking sips of water all day they are hardly getting any fluid. A hydration tip I give these patients is to try drinking out of something measurable, such as a 32-ounce water bottle, and see if they can drink two of these in a day. Many patients find out that they have been drinking way less than they thought.
The Toll of Dehydration on the Body
A cardiologist friend of mine calls dehydration the “80-year-old dropout.”  Patients are admitted to his ER complaining of dizziness, slurred speech, rapid heart rate, elevated blood pressure, and sometimes have passed out. The patient would immediately have been put on a saline drip after being transported to the hospital and about three hours later would be ready to go home feeling normal and healthy.
Due to the commonality of this event, the doctor began looking at echocardiograms he ran on many of these patients when they were first emitted. The results: the heart and major arteries had shrunk down. However, echocardiograms ran later in the day, after the patient had been on IV saline solution, showed normal heart and artery size. His explanation was that the shrinking of the heart and arteries, as well as the thickening of the blood, were all due to lack of water. Which, in response, the arteries would then squeeze down as the heart begins to pump faster attempting to increase the pressure in order to move the thicker blood. This can become so severe that a person could not get enough blood to their head, leading them to pass out. So, to avoid this and the IV of saline solution, stay hydrated as best you can!
How to Physically Check If You Are Dehydrated
By pinching the skin on the top or backside of your hand you can easily check whether you should be drinking more water. If your skin bounces back to a quick, smooth position then you are less likely dehydrated. If your skin slowly goes back flat to your hand and leaves a crease for a few seconds, then it’s probably time to find some water!
We hope this information on dehydration and the accompanying hydration tips help you stay active and healthy this summer! If you’re experiencing a pain that is keeping you from being active, we can help. Schedule an appointment with us to get started.

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