black stool a little stinging when i urinate nausea headache and flu like symptoms also shortness of breath what is wrong with me I am a 23 yr old mother of two. and for the last 5 days ive been having nausea symptoms, abdominal discomfort. and for the last 2days ive been experiencing flu like symptoms headache, chills, body ache, weakness, dizziness , and now my stool is black and when i urinate it burns a little! what is wrong with me