This article is about muscular pain. For the band, see
the Cramps. For the tool, see
Clamp (tool) A cramp is an unpleasant sensation caused by contraction, usually of a
muscle. It can be caused by cold or overexertion. Illness or poisoning can also cause cramps, particularly in the
stomach, which is referred to as
colic if it fits particular characteristics.
Menstruation also is highly...