Suggest Treatment For Sore Throat, Cough, Excruciating Stomach Pain, Appetite Loss And Recurrent Vomiting

have an insane flu or virus or something. I started with a sore throat and a cough. But now I have excruciating stomach pain and I have no appetite and I’m light headed and feel like I am going to puke even though I already have. I have to go to the bathroom every like 5 minutes and it’s just water. what do I do