Hi sir..
Bleeding and swelling gums are due to poor oral hygiene... This condition is called gingivitis(gum inflammation) which is due to soft (plaque) deposits, hard(calculus) deposits your teeth...If you are not treated thia condition immediately,it may progress to perodontitis( inflamation of supporting tissue of tooth)which may cause progressive bone loss and loosening of tooth... you need to immediately clean(scaling) your teeth by a dentist...
Next Steps
Kindly visit your nearby dentist for furthur consultation and traetment.
Health Tips
Brush twice a day using soft bristles tooth brush....Avoid vigorous brushing....gargle your mou