Cupping out black sticky blood may be too much pressure, leave the can too long, the body cold, blood stagnation and other reasons.
1. Excessive pressure, leaving the can for too long: If the pressure in the can is relatively high during cupping, and the time left in the can is too long, resulting in the blood flowing out from the cupping location, the blood will coagulate, and the black sticky blood will appear.
2. Heavy cold in the body: If the people being cupped have too much cold and dampness in their bodies, and the cold will be discharged out of the body through cupping, black sticky blood may appear.
3. Stagnation of blood and qi: If the blood and qi are not running smoothly and there is stagnation of blood and qi, black sticky blood may appear after cupping.
You should choose to go to a regular hospital for cupping treatment, do not do it on your own, so as not to cause discomfort.