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Water is usually enough to rehydrate adults. Other options include clear broth, popsicles, Jell-O, and sports drinks that contain electrolytes. Go slow; drinking too much too fast may cause vomiting. Try ice chips. They dissolve slowly and the cooling effect can be helpful for overheated people. If the dehydration is the result of prolonged physical activity, consume a sports drink that contains electrolytes. When you're dehydrated, avoid caffeine and alcohol. These have dehydrating effects on the body. Beverages such as coffee, caffeinated tea, and soda should not be taken while dehydrated. You should also avoid fruit juices, as the sugar can have a dehydrating effect by increasing urination. If you are not nauseated, try eating some fruits and vegetables with a high water content. Watermelon, cantaloupe, grapefruit, oranges, and strawberries are very high in water content. Broccoli, cauliflower, cabbage, celery, cucumbers, eggplant, lettuce, sweet peppers, radishes, spinach, zucchini, and tomatoes have very high water content. Avoid dairy if you have diarrhea or nausea along with dehydration. It can make these symptoms worse. Continue to rehydrate and rest over the next 24 hours. Drink plenty of fluids. Do not stop drinking simply because you don't feel thirsty anymore. It can take several days to completely replace lost fluids. If you don't feel better after rehydrating, or if you have a fever over 104F (40C), seek immediate medical help.
Drink water and clear liquids in small amounts. Avoid some fluids. Eat foods with a high water content. Continue hydrating. Seek medical assistance if you do not improve.