Hand cramping can occur for many reasons and cause significant discomfort in some people. Often, hand cramps are caused by muscle spasms, which are described as an uncontrollable or involuntary muscle contraction. These spasms or contractions do not allow the muscle to become relaxed and can become excruciating in some cases.
Serum levels of prolactin may increase as a consequence of epileptic seizures. The hormone release is caused by the propagation of epileptic activity, usually from the temporal lobe to the hypothalamic-pituitary axis.
There are several causes for high prolactin levels (called hyperprolactinemia), including: Prolactin producing tumors in the pituitary gland - these are called prolactinomas Use of certain medications including tranquilizers such as Haldol, some antidepressants, Reglan (used for reflux) and some drugs used to treat hypertension