Hi, Welcome to Health care magic forum.
As you describe, it appears to be the gastric irritation , which is causing the pain in the right shoulder.
I advise you to consult a gastroenterologist
for diagnosis and treatment.
You may need to have a gastroscopy, for diagnosis .
I usually prescribe to my patient with such symptoms omeprazole
, and antacid
gel. for 10 days, and then when ever you take redbull.
Wishing for a quick and complete recovery. Thank you.