Hello Thank you for trusting HCM Dear most common cause for nose bleed is nose pricking, other causes like hypertension, Acute sinusitis, Allergies, Aspirin use, Hemophilia (and other bleeding disorders), Blood thinners (anticoagulants), such as warfarin and heparin Chemical irritants, such as ammonia, Chronic sinusitis, Cocaine use, Common cold, Deviated septum, Foreign body in the nose Nasal sprays, such as those used to treat allergies, if used frequently, Nonallergic rhinitis, Trauma to the nose. So use normal Saline nasal spray, do nose packing of your getting severe bleeding, avoid dry environment, use room humidifier. Still symptoms persisten you need to consult your doctor he will examine and treat you accordingly.