Red marks on the skin after pressing for a long time may be a normal reaction, or it may be caused by allergic purpura, urticaria and other factors, which can be relieved by general treatment and medication according to the cause of the disease.
1. Normal reaction: under normal circumstances, the skin will leave a red mark when pressed for a long time, but there is usually no other adverse reaction, and it can disappear on its own, without special treatment.
2. Anaphylactic purpura: belongs to a kind of vascular metamorphic reactive disease, when the skin is stimulated by allergens, there may be capillary dilation, which may easily lead to redness of the skin or the appearance of red marks, and the color will not fade away when pressed with the finger. It can be treated with vitamin C, anti-allergic drugs, glucocorticoids and angiotensin converting enzyme inhibitors.
3. Urticaria: related to skin allergies, it is necessary to keep away from the causative factors as soon as possible, such as pollen, mites and animal fur. Oral loratadine, levocetirizine hydrochloride and other anti-allergy drugs, if necessary, should be combined with dexamethasone and other glucocorticoids for treatment.
Skin pressure for a long time the appearance of red marks, it is recommended to observe, if it can subside within a short period of time, generally do not need special treatment. If the red marks do not fade for a long time, and accompanied by itching and other symptoms, it is recommended to consult a doctor in a timely manner, to clarify the cause of the disease, targeted treatment under the guidance of the doctor, the above medication should be used in accordance with the doctor’s instructions, do not self-medication.