Malignant hyperthermia is a rare, inherited condition in which a person develops a very high fever when given certain anesthetics or muscle relaxants in preparation for surgery.
The two most common forms of hyperthermia are heat exhaustion and heat stroke, the latter of which is especially dangerous and requires immediate medical attention.
Scientific research has proven that scrotal hyperthermia can cause clinical subfertility (decreased fertility) in men.
People with MD are susceptible to a severe reaction, known as malignant hyperthermia, when given halothane anesthetic.
Hyperthermia is the general name given to heat-related illnesses.