What’s the matter with the marks on the skin when gently pressed?

Marks on the skin when gently pressed may be caused by physiological reaction caused by external force, edema or artificial urticaria.
1. Physiological reaction: when the skin is pressed by external force, there may be local blood flow is not smooth, and skin color changes to form marks, which usually disappear in a short time.
2. Edema: a large amount of drinking water, kidney disease, heart disease and many other reasons may lead to edema, if the depression of edema, there will be a gently pressed skin has a depressed trace of the situation.
3. Artificial urticaria: also known as skin scratches, manifested by scratching with the hands, scratching the skin with a blunt instrument, or the appearance of raised marks on the scratches after the skin has been pressed for several minutes.
Skin gently pressed on the mark may also be seen in other causes, it is recommended that patients seek medical attention in a timely manner, a clear diagnosis, follow the doctor’s instructions to standardize the treatment.