Hello, Plenty of liquids to substitute as it's humid hot climate, nimupani coconut water mosambi juice butter milk fresh, what ever you like even ors is beneficial if u can't take orally than I've drip treatment than all the symptoms can be treated.so u need emergency room in hospital or try orally a lil lil sips. Take a bath n sit in front of ac or cooler for some time when you settle you can be able to take orally.emset for nausea,dolo650 for headach n bodyach.liquids r must.ok.