What to do if you have a nosebleed in hot weather? What to do if you have a nosebleed in hot weather?

1 What causes nosebleeds in hot weather? Nose is dehydrated

The weather in summer is hot and dry, and the temperature difference between days changes greatly, causing the liquid secreted by the nasal mucosa to evaporate quickly. The nasal cavity lacks moisture and becomes dry, itchy, and prone to bleeding. Unstable temperature

Due to the instability of temperature within a day, the capillaries in the nose undergo repeated expansion and contraction in order to adapt to changes in external temperature, which can lead to bleeding. Qi and blood go up and down

When the weather is hot and dry, when people are in a bad mood and don't get enough rest, it will cause qi and blood to go up and down, causing nosebleeds. In addition, drinking alcohol in summer and eating too much spicy food can cause It may also cause lung heat. Lung heat enters the nasal cavity, causing capillaries to dilate and rupture, leading to nasal bleeding. External stimulation

For example, frequent entry into air-conditioned rooms in summer and alternating hot and cold conditions will cause itching in the nasal cavity. If you scratch at this time, it is easy to rupture the capillaries in the nasal cavity and cause nosebleeds; Also, blowing your nose frequently can easily irritate capillaries and cause them to rupture. Nasal inflammation

Sicca rhinitis, atrophic rhinitis, acute rhinitis, acute maxillary sinusitis, etc. are common causes of nosebleeds; also, if the rhinitis is severe, capillaries may be caused by sneezing. Rupture causing bleeding. Hypertension and arteriosclerosis

Hypertension and arteriosclerosis are important causes of nose bleeding in middle-aged and elderly people. Arteriosclerosis is the pathological basis of nose bleeding; blood pressure increases, especially when constipation, excessive exertion or emotions When excited, blood vessels in the nose can rupture, causing nosebleeds. Elevated venous pressure

Emphysema, pulmonary heart disease, mitral stenosis and other diseases can lead to superior vena cava hypertension; the nasal cavity and nasopharyngeal veins in these patients are often dilated and congested and prone to rupture Bleeding, causing symptoms of nosebleeds. Platelet abnormalities

We know that the main function of platelets is coagulation. If the number or function of platelets is impaired, such as idiopathic thrombocytopenic purpura, secondary thrombocytopenia, etc., it will lead to easy nosebleeds, especially The irritating effects of high temperatures in summer can be difficult to stop. Coagulation factor disorders

Patients with hemophilia may bleed without cause due to lack of coagulation factors, and it is difficult to stop bleeding once bleeding occurs. Vitamin K promotes blood coagulation, and if it is lacking, it can easily cause nosebleeds. Structural abnormality of the blood vessel wall

If you have hereditary hemorrhagic telangiectasia, allergic purpura, drug-induced vascular purpura, etc., in addition to bleeding under the skin all over the body, you are also prone to nasal bleeding. Bleeding conditions.

What to do if you have a nosebleed after 2 days of hot weather

If the bleeding is small, use your index finger and thumb to press the sides of your nose for 5 to 10 minutes. You can also use ice packs or wet cold during finger pressure. Use a towel to cold compress your nose. If there is a lot of bleeding, you have to use absorbent cotton or clean ordinary cotton or gauze soaked in water. Then slowly fill the wet cotton into the nasal cavity. Use notoginseng powder and Yunnan Baiyao dipped in the cotton to stop bleeding. good.

Tips:

Never tilt your head back when there is a lot of nosebleeds to avoid blood accidentally entering the respiratory tract. It is best not to blow your nose for a day after a nosebleed. Because after a nosebleed, the blood will clot and form scabs. If you pick your nose at this time, the scabs may peel off, causing the nosebleeds to recur.