These should not cause concern, as they are simply indications that the acupuncture is starting to work. It is quite common with the first one or two treatments to have a sensation of deep relaxation or even mild disorientation immediately following the treatment. These pass within a short time, and never require anything more than a bit of rest to overcome. People experience acupuncture needling differently. Once the needles are in place, there is no pain felt.
Acupuncture needles are very thin and solid and are made from stainless steel.
The risk of bruising and skin irritation is less than when using a hollow needle. Because your doctor carefully sterilizes the needles using the same techniques as for surgical instruments, or uses disposable needles, there is no risk of infection from the treatments. In the past 2,000 years, more people have been successfully treated with acupuncture than with all other health modalities combined. Today acupuncture is practiced widely in Asia, the Soviet Union, and in Europe. It is now being used more and more in America by patients and physicians.