This is Dr. David
you should go to the A&E or hospital or your GP doctor right away for evaluation
nurofen and alcohol can cause stomach ulcers and severe stomach gastritis inflammation of your stomach
that is why your stomach is hurting
it can also cause your stomach to bleed. blood from your stomach can get digested through your small bowel and turn your stools tar black. this is called melena.
you have to see a doctor right away
you will need medications like Nexium or Protonix to decrease stomach acid so your stomach has a chance to heal
and you will need to avoid alcohol for now.
let me know if you have other questions.
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