Dehydration occurs when fluid levels drop to less than normal. This is due to either reduced water intake or increased fluid loss. Overheating in hot weather, increased activity or a bout of vomiting or diarrhea can all result in fluid loss in cats.
Whole Grains. Start eating more whole grains, a fiber-rich food, to improve your joints. Fiber helps lower levels of a harmful substance known as c-reactive protein that leads to higher inflammation levels throughout the body, including the joints, according to the Arthritis Foundation.
Nutrition can help, either with medicines or, in some cases, instead of them. Foods affect the joints in two major ways. First, certain foods trigger the symptoms of rheumatoid arthritis, and eliminating these foods sometimes causes even long-standing symptoms to improve or even remit entirely. Second, certain fatty acids have an anti-inflammatory action that can reduce joint pain, stiffness, and swelling.