How Much Water Should a Dog Drink a Day?

Many dog owners leave out water for their dogs all the time with the thought that they'll drink as much, or as little, as they need. But how much water does a dog need? Monitoring your dog's water intake can improve their health, prevent illness and insure proper hydration. While some dogs naturally do this on their own, some either under-drink or over-drink. Too little water can lead to dehydration in dogs, kidney stones, organ failure and even death. Drinking too much water can lead to stomach bloat, electrolyte imbalances, and Hyponatremia (water toxicity).

Also, keep in mind that if your dog is under-drinking or over-drinking, it could be a sign of an underlying illness. Under-drinking can indicate Parvo, Leptospirosis, or Pancreatitis. Over-drinking can signify a bladder infection, another type of infection, or diabetes. Have your vet check your dog if he's doing either.

Optimal Drinking

How much water a day should a dog drink? How much and how carefully you have to monitor him depends on several factors:

1. Size: On the average, a healthy dog drinks about 1/2 to 1 ounce of water per pound of body weight per day.
2. Food: A healthy diet is as important as water and the type of food your dog eats affects his water intake. Dogs that eat only dry food will need a little more water than those that eat canned. Also, avoid ingredients that can artificially increase your dog's thirst such as sodium.
3. Age: Puppies need about a 1/2 cup every two hours and need to be closely monitored. Senior dogs tend to naturally monitor themselves.
4. Exercise: Bring water along on any exercise excursion with your dog. The bottles that have the drop down cup work well. After exercise, give your dog ice cubes to start and then just a little water at a time to prevent bloat.
5. Weather: Summer means more panting which means an increase in water intake.
6. Medications: Check with your vet to see if you need to decrease or increase your dog's water intake while taking a medication.

Checking for Dehydration in Dogs and Overhydration in Dogs

To look for dehydration in dogs, grab a piece of skin at the back of your dog's neck. Stretch it out, then let it go. A properly hydrated dog's skin will snap quickly back into place, while the skin of a dehydrated dog will return slowly and form a "tent" in the process. You can also check your dog's gums for dehydration - wet, slippery gums are healthy. Dull, sticky gums suggest dehydration.

Dogs who overhydrate will often vomit, act confused or become lethargic. more on...