Trypanophobia is the extreme and irrational fear of medical procedures involving injections or hypodermic needles. It is occasionally referred to as aichmophobia, belonephobia, or enetophobia, names that are technically incorrect because they simply denote a “fear of pins/needles” and do not refer to the medical aspect of trypanophobia. The term aprilophobia may also be used to refer to the specific fear of hypodermic needles[citation needed], though this term also does not refer to the medical aspect. The name that is in common usage is simply needle phobia.