 [ Symptoms ] is stress causes acne  one of my friend told me that acne is caused by stress is it really true or not  tell me the causes of acne so that i can clear it that stress is a cause or not [ Disease ] i agree with you testing him for strep would have been prudent although he was not experiencing a severe sore throat there can be other reasons intestinal virus to account for his array of symptoms preventing dehydration is essential i suspect he is nauseated so there are medicines that can be prescribed so that he can drink fluids without vomiting call his medical provider some immediate signs of dehydration includes lack of tears dry mouth and a reduced urine flow if he is experiencing these he should be re evaluated immediately by his medical provider