The best thing to drink when you keep being sick is some water as well as clear broths and diluted electrolyte solutions.
You can also drink some Pedialyte as well when you're sick even as an adult as these fluids including the Pedialyte, clear broths, diluted electrolyte solutions and water help replace lost minerals in the body and keep the your body hydrated while not upsetting your stomach.
When you keep being sick or are sick, you should avoid alcohol, as it makes dehydration worse and avoid caffeine when sick as it can increase fluid loss.
Caffeine is commonly found in coffee and strong black tea and even sodas.
You should also avoid sugary sodas and heavy juices when you're sick or keep being sick as high sugar levels can make diarrhea or stomach pain worse.
Instead sip on small amounts of water and suck on ice chips if large amounts of water cause more vomiting.
Drink diluted electrolyte drinks when sick or when you keep being sick as diluted oral rehydration solutions like electrolyte drinks help to restore the body's salt and sugar balance better than plain sports drinks do.
Clear broth like warm chicken broth or vegetable broth also adds gentle salt and warmth and is good for when you're sick.
And herbal teas like ginger or peppermint tea can help calm an upset stomach and keep you hydrated.
Always be sure to stay hydrated when sick as being sick can make you more dehydrated, especially if you're having diarrhea, vomiting or even a fever.
Fluids and hydration as well as rest are important for helping your body heal and recover and fight off the illness.