Bleeding during brushing may be due to weak gums. Gums may become weak due lack of vitamins, presence of tartar, infection
present in the gums. Throat infection may arise due to infection acquired from the environment. Sometimes if you are having gastric problem
like acid reflux
, the acid may irritate the throat. Thismay also be felt like throat infection. Kindly consult your dentist
for gum problem and he also may diagnose your throat problem and he may refer you to an ent doctor if needed.