Causes: 
• nose injuries
• exhaustion
• physical exercise
• nadciśnienie tętnicze
• alcohol
• Excessive use of anticoagulants (such as aspirin)
• przesuszenie błony śluzowej nosa

Remember: 
• Don't put anything up your nose.
• Do not tilt the victim's head back.
• Bleeding in healthy people should pass within minutes. 
• If the victim continues to bleed after 15-20 minutes, instruct him to see a doctor.

Dzwoń 112/999 jeżeli poszkodowany:
• is very pale, breaking a sweat, weakened,
• is sleepy and there is a disturbance of consciousness, 
• requires medical consultation, and cannot go to the hospital himself.