What’s wrong with the black and purple color of the cupping on the left shoulder?

Left shoulder cupping black purple color may be the cupping strength, the body of the heavier cold and blood stasis blockage and other reasons.
1. Cupping strength: If the left shoulder cupping strength, resulting in excessive pressure in the can, resulting in increased permeability of the skin capillaries at the mouth of the can, red blood cells oozing and accumulating in the subcutaneous, thus appearing the phenomenon of black purple cupping.
2. Heavy body cold: If the patient’s body cold is heavy, through the cupping so that the body of cold and dampness from the skin, silt in the skin of the left shoulder, which will make the left shoulder cupping appear black purple.
3. Blood stasis and obstruction: Due to the stagnation of blood and qi in the left shoulder, the meridian qi is not blocked, and the cupping results in the dispersion of blood and stagnation, which will make the left shoulder cupping appear black and purple phenomenon.
If the left shoulder cupping black purple patients appear other uncomfortable symptoms, should go to the hospital in a timely manner, follow the doctor’s instructions for treatment, cupping should be operated by a professional physician, do not operate without authorization, so as not to cause damage to the organism.