 [ Symptoms ] took apple cider vinegar to relieve cold and flu now nose is bleeding [ Disease ] it is very normal after a sinus infection to have this it is due to dryness of the nasal mucosa and recurrent infection drink plenty of water do a nasal lavage with sea salt water ampoules called physiomer or its substitutes u can use vaseline to keep your nose humid and avoid dryness by painting the nostrils and breathing water vapour