Are acupuncture needles painful?
Acupuncture needles are 25-50 times thinner than a hypodermic needle, so there is very little sensation when the needles are inserted. You may experience a brief moment of discomfort as the needle penetrates the skin that can be followed by a mild sensation of cramping, tingling, numbness, traveling warmth, or heaviness, which are positive signs of arrival of Qi at the acupuncture points.
