Welcome to HCM,
From your history it seems that you might be having acute gastritis
giving rise to pain in abdomen while giving pressure.
Bleeding might be from GI Tract.
Go for stool test
for occult blood.
Consult gastro-enterologist and get examined.
Stop taking alcohol.
Take Omiprazole or Ranitidine
Avoid fried and junk food.
Take milk diet, buttermilk.
Ok and bye.