### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
I have just now thrown up after experiencing severe pain in my left hand side a little higher than my belly Button. Up until a couple days ago I have felt the need to eat more and even when i am not hungry I have had an ache in my belly which i tried to mask by eating. I am not overweight as no matter how much I eat it never seems to touch me. The last couple of days I have had the constant urge to urinate and have had gas (an abnormal amount). my apetite has vanished but I have still been eating when I usually would. I am nineteen and have only had one sexual partner (my current boyfriend) we have been checked for stis and are negative. When we have see, i also experience pain in the sake place as before I was sick. The pain also still continuing after I have vomited. The only other things I can think to mention is that my stomachs feels to tense itself all by itself and its extremely uncomfortable. Also I have has very itchy skin for over a month jow which keeps me awake at night. x

### output:

Hi, Thanks for posting your query. With the available described symptoms, there could be possibility of acute viral gastroenteritis or peptic ulcer disease. Relief in abdominal pain after eating suggests the possibility of peptic ulcer disease. Myalgia is an integral pro Chat Doctor.  You should consult with internal medicine specialist and should go for thorough check up. You should also go for complete blood count, ultrasound imaging, endoscopy and serum electrolytes. Furthermore, you should take complete antibiotic therapy, proton pump inhibitors, antispasmodics, probiotics, antipyretic and muscle relaxants. Furthermore, you should maintain your HY