What is the reason for spitting yellow and blood in the morning?

Morning spit yellow and blood, the reasons to consider the following: first, acute or chronic pharyngitis: patients will show dry mouth, throat dry, spit yellow saliva, if there is a rupture of throat blood vessels, but also with blood, can give and oral silver yellow tablets or grass coral tablets treatment, to drink more water, to prevent eating spicy food. Second, acute tonsillitis or suppurative tonsillitis, patients will also show spit yellow saliva with blood. Third, also consider gum inflammation, periodontal disease will also show yellow saliva with blood. Fourth, chronic gastritis, gastric ulcer, duodenal ulcer patients will also show spit, if the ulcer rupture bleeding will spit blood or hematemesis.