Try not drinking water for 6 hrs, if you feel not worse, then even for 12 or 24 hrs. Let us know what is happening in the process. If you feel worse by dry regimen, it is possible that you will be helped by pinch of Sea Salt in your water. Try feet soaking in Epsom Salt or Sea Salt if salted water drink fails. you can also spray or dampen or skin with the mineral-water, it will absorb the minerals you certainly lost with vomiting. Soak in bathtub - it will exchange toxins for minerals you can put in the tub, or just detox if you decide for water only bath.