A few days after tooth extraction, saliva is especially much, always want to swallow saliva or spit

A few days after tooth extraction saliva is particularly much, always want to swallow saliva or spit is normal, suggest you relax mood, do not pay too much attention to the wound after tooth extraction, do not lick the wound, diet should pay attention to light, eat light rice porridge, etc., if the tooth socket swelling can take metronidazole and other anti-inflammatory drugs.