Get teeth wash at the dentist office They will clean all the blood out its a 3 day treatment

Try constant brushing for about 2 weeks morning and night then if the bleeding doesn't stop, contact the dentist. Thank You

Use sansodine tooth paste , or any other paste that is formulated for this perpose and it will work eventually

Its due to calculus or vit C deficiency so go and see a dentist and eat vit C

Incase ur intake of vitamin c or k Or u can use salty water or honey

You should c a Doc