Haemoptysis: causes

so i said all differences and i forgot to say that hemotypsis is coughed but hematemesis is vomited

anyhow

The most common causes for hemoptysis are either TB or CVC of lung caused by mitral stenosis

while the most common cause for hematuria in endemic areas is bilharzial cystitis

is a GI symptom
and

is a Respiratory symptom

so hematemesis is acidic medium
i mean restricted to gastric region content
cuz GIT is two parts
acidic stomach and alkaline medium in intestine

while hemoptysis is alkali