Get an ENT specialist to evaluate the cause.
Meanwhile if it bleeds, apply pressure with finger over the nose, while sitting up head slightly bent forward for 5-10 minutes. Generally it stops & you'll have an anxiety free leisurely chek up. If it doesn't stop need to hurry to a nearest emergency room.
Health Tips
Cold packs over the neck & nasal dorsum can speeden up arrest of bleed.
Don't strain during bleed.