A small amount of blood return in the indwelling needle is usually not a cause for great concern; if the amount of blood return is large and the infusion is not smooth, it is necessary to seek professional treatment immediately.
For a small amount of blood return, generally do not need special treatment, the next infusion with saline pulsatile flushing, blood will enter the body with the liquid; if in addition to a large amount of blood return, accompanied by local skin redness, swelling and hot pain, infusion is not smooth, the need for timely withdrawal of the needle, in order to prevent vascular damage or phlebitis and other diseases.
It should be noted that in the process of using the needle, must pay attention to the protection of the needle, puncture site do not touch water to avoid infection. If there is any discomfort during the infusion process, you should seek the help of medical personnel in time to avoid causing various serious complications.