Hi welcome to health care magic... Your father is having tuberculosis infection in which blood can be expelled out in sputum.... But according to your history you have blood in vomitus ....For that following causes has to be searched for..... -Liver disease like cirrhosis leading to esophageal variceal bleeding -peptic ulcer -gastritis -stomach tumour etc..... There is also possibility of spread of tuberculosis to organs other than lung.. So you might need investigation with USG first and if needed endoscopy done for further work up. According to cause further treatment can be given.. For ulcer and gastritis simple omeprazole capsule course effective Take care Advise : Consult physician for examination