Terminal illness
A terminal illness or terminal condition was an incurable disease that ended with the death of the patient. Caring for those afflicted with these types of diseases could be difficult, particularly if one was the patient's sole source of comfort. ()

In 2364, Jean-Luc Picard described the Aldean civilization as being terminally ill, as they were incapable of conceiving, lacked an appetite, had extreme pallor, and were sensitive to light. ()

In 2368, Picard asked William T. Riker whether he would see death as a release if he was facing a terminal, incurable illness ()

Later that year, Deanna Troi compared Data's finding his own severed head to discovering that a loved one had a terminal illness. ()

Acute anxiety could result upon one's diagnosis with a terminal illness. In 2376, The Doctor described Lewis Zimmerman as suffering from anxiety related to his terminal illness. ()

In an alternate timeline in which Kathryn Janeway needed to help her past self return  to the Alpha Quadrant sooner, Harry Kim claimed he had to take her to Starfleet Medical because she had a rare illness. Janeway quipped that she hoped it wasn't terminal. ()

Terminal illnesses and conditions 
 Cardiomyopathy (in the 1990s) ()
 Contusion of the auricular lobe. (In Ferengi, allegedly, according to Julian Bashir ())
 Darnay's disease ()
 Dislocation of the malleus (In Ferengi, allegedly, according to Julian Bashir ())
 Dorek Syndrome ()
 Dramia II plague (upon victims turning green) ()
 Emphysema and liver damage (in the 1990s) ()
 Infection of the tympanic membrane (In Ferengi, if left untreated) ()
 Metremia ()
 Pulmonary embolism (in the 1990s) ()
 Rigelian fever (in a single day if not treated) ()
 Sakuro's Disease (if not treated) ()
 Ulcartic virus ()
 Veridium Six poisoning ()
 Yarim Fel Syndrome ()
 Xenopolycythemia (according to to Federation knowledge, prior to 2268) ()

See also
Terminal stage

External link

Medical conditions
Death