What Causes Blood Blisters?

Friction blisters are small water bladder formed by abnormal tissue fluid accumulation between the outer and inner layers of the skin. It is caused by the shearing force generated by sports friction that causes the epidermis to separate from the subcutaneous tissue to form a gap, and fills it with liquid. The outer layer of the skin becomes the surface layer of the blisters. The skin inside the blisters was red and swollen, hot and humid, and tingling. Although most of the blisters are small and the area of injury is small, it is easy to cause pain and affect people's mobility.

Frictional blister

Friction

Generally, the generation of blisters can be divided into two factors, internal and external.

Intrinsic factors: This kind of blisters caused by sports friction only appears in special parts, not all parts of the body will blisters. First of all, the skin must have a thick cuticle that can withstand

a. To prevent blisters on the feet, first reduce the chance of foot friction. The blisters on the feet are directly related to the shoes. Too tight squeeze and too loose friction on the shoes may cause blisters on the feet. Buy shoes should buy shoes suitable for sports. The size of the shoes should be appropriate. It is best to still have a large thumb wide vacant position after wearing it. b. When you buy new shoes and go home, you should put on a test walk or even a trial run. After one to two hours, find the uncomfortable part and add a cushion to this position. Remember that you must not wear new shoes that are not run in. If the new shoes are worn for the first time on a long-distance hike, if you don't handle them properly, you will probably get 92% of the chance of foot bubbling. If you don't want your feet to bubble, it's best to avoid wearing new shoes. c. Socks can reduce the friction between your feet and shoes. If you are afraid that your feet will foam, you may try wearing two pairs of socks. It is best not to use cotton products for socks. Cotton socks are more likely to form blood bubbles than nylon. The material of the socks is preferably polypropylene or other new synthetic fibers. These materials can keep the feet dry and dry than wool or cotton products, thereby reducing the chance of blistering.

Keep in mind that you must wear socks on long lines on foot. d. Use talcum powder, gardenia powder or anti-perspirant spray, or apply a thin layer of petroleum jelly on the feet. These things can help keep the feet dry, reduce friction, and prevent them. The effect of playing blisters. e. If your feet often blisters, you can consider sticking tape or soft pads to the blisters. Before going to sleep, it is best to soak your feet with warm water to promote local blood circulation. You can also massage the soles of your feet, and then apply lotion on the protruding parts of your feet. When not wearing shoes, keep them dry and ventilated. f. When you walk on foot, if you find any discomfort or pain in your feet, you should stop and check. If blisters have not yet formed, quickly put the painful area on a band-aid and breathable adhesive tape for timely treatment. g. You usually walk less by car and walk more to avoid blistering on foot. If you don't go for a long time, you suddenly go beyond time and distance, and your exercise intensity increases too much. Prolonging the activity time step by step can allow the skin to slowly adapt to the friction generated during the activity, and have enough time to form protective calluses, which can help prevent the occurrence of blisters. h. There are some methods, for example, some people say that it is best to prepare two pairs of shoes that fit together, and replace each other within a day. Because different shoes are worn on the feet, the contact parts and pressure are always different, which can reduce the feeling Discomfort, swelling, and chance of blisters. Friends who are willing to try it.

Although it is a trivial matter to hit the blisters on the feet, the suffering is painful. What if there is really blisters? Once blistering occurs, it is important to reduce the pain caused by it, avoid the enlargement of the affected area, and prevent infection.

a. At this time, the most important thing is not to break the skin of the blisters. Breaking will not only make the pain worse, but also easily become infected. Here is a way to deal with it: cut a hole with the same size and shape as the blister in the center of the band-aid, put it on the blister, so flatten the surrounding of the blister, and then seal the blister and the cut-out side Apply a band-aid so that the blisters are no longer rubbed. b, the pain of the larger blisters makes you intolerable, then discharge the liquid accumulated in the affected area to relieve the pressure caused by the blisters. The standard method is: first wash the affected area with disinfectant alcohol, and then pierce a small hole at the edge of the blisters with a steel needle that is red after cooling and gently squeeze the liquid in the blisters. Then apply disinfectant or ointment. Cover the wound with tape or dressing. It should be noted that the skin must not be cut off. c. If the blisters have been broken and open wounds have been formed, disinfection, bandaging, and padding with a clean soft cloth. d. The liquid in the blisters will be slowly absorbed by the skin. Most blisters are fully absorbed within one to two weeks. When new skin grows, the old skin will fall off automatically. Usually heals on its own without special care