As a new semester is about to start, campus safety has always been a topic of great concern to schools and families. The most common trauma of lively and active teenagers in their study life in school is nosebleed. Nosebleeds are usually caused by damage to the nasal mucosa, which can be caused by high blood pressure or a bump to the nose. The nasal mucosa of adolescents is relatively fragile, which may lead to nosebleeds when they are nervous about studying, under great mental pressure, or having accidents in sports.

What should we do about nosebleeds?

1. Guide the injured person to sit and tilt the head forward to allow the blood to flow out. Do not lean back, as it may cause blood to flow back into the respiratory tract, causing choking.

2. Instruct the injured to breathe through the mouth, and pinch the soft part under the nasal bone with hands.

3. After hemostasis, it is recommended to instruct the injured to relax, avoid blowing the nose or picking the nostrils, leading to further bleeding.

4. If the bleeding lasts for more than 20 minutes or there are other symptoms, it is necessary to seek medical help in time.

Here are some tips from Beijing 120. After a head injury, if you find clear liquid with blood flowing out of your nostrils, it may be a sign of a skull fracture. It is not suggested to block the nostrils, or let the injured to move around at will. It is necessary to keep observing the consciousness and breathing of the patient, call 120 in time, and prepare for medical treatment.