May b Food Poisoning.Takes time to bcome normal,But doubt abt skin c/o,as it might b or not b due to food.As if its so,U would hav got that rash immediately.But need to see to assess. Try to Take luke warm water minimum 2 glasses in morning imediayely after waking up&add a pinch of Turmeric in that water,as its anti toxic&anti septic. Warm water in morning with emtpy stomach will help toclean up ur Body internally. Be on Bland diet for few days. Try taking Coriande(Semi bioled&Filtered),Juice daily in morning will help as Detoxic. &also take Honey+Lemon+Pepper powdered Juicr  1-2 times daily. Evean while u can take Mint leaves juice r Butter milk.vtjh Mint leaves also will help. **Medicines i can suggest as withput examing,It cant b. Try to maintain 3-4 litres of Water intake daily. TC.