Q:

What should I take to help cure serious dehydration? (caused by stomach illness, etc.)

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A:

Answers (4)

EXPERT
Jennifer Lynn-Pullman MA, RD, LDN (Registered Dietitian) answered
Dehydration can be a medical emergency.  You should check with your primary physician or seek out help at the ER if you are unable to keep any fluids in and you are showing signs (dry mouth, and lethargy are too examples).  If the stomach illness is resolving and you can drink fluids and keep them down consume beverages like water, Gatorade (to replace electrolytes), and juices.  Keep the liquids clear. Heavier fluids like milk may cause stomach irritation.  Avoid beverages containing caffeine as these will increase your fluid loss through urine.
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EXPERT
Andrea Wilcox (Registered Dietitian) answered
You want to make sure you keep your electrolytes in balance, as they can become depleted from stomach illness that causes a lot of water loss (i.e. diarrhea). Make sure you hydrate with plenty of fluids. Coconut water is a good source of potassium and can be a good liquid source to recover. Smart Water also has added electrolytes that can help replenish if depleted. Bananas, kiwis, oranges, potatoes and tomatoes are also good sources of potassium. I hope you feel better soon!
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EXPERT
Andrea Wilcox (Registered Dietitian) answered
Also, if you're suffering from diarrhea, foods such as bananas, rice, applesauce and toast can help with binding stools and limiting diarrhea. 
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Anonymous answered
Pedialyte is the best for replenishing electrolytes! Get the packets and add to water (or you can get the pre-mixed liter of it). Tastes a little funny, but much better for you than sugary sports drinks. 
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