Just suddenly found, no pain no itch no feeling, cleaning can not be removed, please ask what is this?
This situation can be observed first, this may be the finger is squeezed, so the capillary dilation, the current words do not need to do special treatment for the time being, observe the changes in the condition can be, usually pay attention to maintain a healthy diet and rest, pay attention to strengthen nutrition, eat more high-sugar food.
According to your description of the symptoms and the uploaded pictures, consider the possibility of subcutaneous redness and swelling after abrasion or exertion. According to this situation, it is recommended to observe closely, if the redness and swelling are getting bigger and bigger, it is necessary to check whether there is infection, and anti-infection treatment can be given.
It may be caused by local insect bites, and may be affected by allergies after contact with the items, you can apply some dermatitis ointment topically.Try not to stimulate, easy to cause the area to expand.Eat a light diet and eat less irritating food.