How many glasses of water should an elderly person drink a day?
According to the Reynolds Institute on Aging, Seniors should aim for 6 to 8 glasses of fluid a day, or approximately 1.5 liters. Have your senior sip on water throughout the day. Sometimes using a straw is easier and leads to more water consumption. Offer a full glass of water when they take medications.
You should aim for 6 to 8 glasses of fluid a day. Here are some simple tips for making sure you reach your goal and get enough water. Sip on drinks throughout the day. Get a reusable water bottle with a straw and fill it with plain water.
Here's Why. Researchers say that as people age, they need to drink more water to compensate for changes in their body temperature regulation. They say dehydration can cause a number of ailments, including muscle pain, fatigue, and heat exhaustion.
Severe dehydration can lead to confusion, weakness, urinary tract infections, pneumonia, bedsores in bedridden patients, and other serious conditions. Drinking enough fluids helps the body digest food, eliminate waste, regulate temperature through sweating, and maintain blood pressure.
How much water do you need to stay hydrated? As a general rule, you should take one-third of your body weight and drink that number of ounces in fluids. For example, if you weigh 150 pounds, aim to drink 50 ounces of water each day.
Here is one more reason to enjoy that morning cup of joe: “Coffee counts toward your daily water intake,” says Lauren DeWolf, MS, RD, a registered dietitian with Sharp Rees-Stealy Medical Centers. The water in coffee, tea and other caffeinated beverages helps us meet our daily fluid needs.
Act on early signs of dehydration.
If the person you are caring for is showing early signs of dehydration, offer them a bottle of water, Gatorade, Powerade or coconut water to replenish their electrolytes quickly.
The Eatwell Guide says we should drink 6 to 8 cups or glasses of fluid a day. Water, lower-fat milk and sugar-free drinks, including tea and coffee, all count.
Sleep and Aging
Older adults need about the same amount of sleep as all adults—7 to 9 hours each night. But, older people tend to go to sleep earlier and get up earlier than they did when they were younger.
When you have too much water in the body, the kidneys can't remove the excess liquid. It starts collecting in the body, leading to nausea, vomiting, and diarrhea. Throbbing headaches all through the day. Headaches can signify both hydration and dehydration.
What happens when you start to drink more water?
When you drink too much water, your kidneys can't get rid of the excess water. The sodium content of your blood becomes diluted. This is called hyponatremia and it can be life-threatening.
How to prevent dehydration in older adults? Experts generally recommend that older adults consume at least 1.7 liters of fluid per 24 hours. This corresponds to 57.5 fluid ounces, or 7.1 cups.

How Much Water Should a Senior Drink Each Day? Studies suggest everyone should drink between 56 and 64 ounces of water per day, which works out to between 7 and 8 8-ounce glasses per day.
Ensure's website says elderly people can have up to size of these drinks a day, but that would give them three times the amount of vitamins they need based on a 2,000 calorie diet. If someone is in a state where they're drinking that many nutritional drinks a day, they're creating new problems with their diet.