Acupuncture is generally performed with metallic, solid, and hair-thin needles. Patients report different feelings associated with acupuncture, but most feel minimal pain as the needle is inserted. The needle is inserted to a point that produces a sensation of pressure or ache. Needles may be heated during the treatment or mild electric current may be applied to them. Acupuncture makes some people report feeling energized by the treatment, while others say they feel relaxed.
Improper placement of the acupuncture needle can cause soreness and pain during treatment. Needles must be sterilized to prevent infection. That is why it is important to seek treatment from a qualified acupuncture practitioner. The US Food and Drug Administration (FDA) regulates acupuncture needles just as it does other medical devices under good manufacturing practices and single-use standards of sterility.
Instead of needles, other forms of stimulation are sometimes used, including: