Headache A headache was classed as a mild to severe pain in the head . Its causes were often vascular . ( ) Medical advances made headaches uncommon or rare by the 24th century . ( ) In 2151 , Sub - Commander T ' Pol told Doctor Phlox that she was developing a slight headache in order to spend more time in a decontamination chamber . ( ) In August of 2152 , Ensign Travis Mayweather reported to Doctor Phlox that he had been having a little headache for the past couple of days . Though he merely wanted a simple analgesic to relieve it , Phlox , affected by the unusual radiation emanating from a trinary star system , insisted on running a series of elaborate scans on Mayweather and even performing a cerebral micro - section on his brain . The procedure , fortunately , was never performed , though Phlox ' s scans did provide T ' Pol with insight as to how the radiation was affecting the crew of the . ( ) In December of 2153 , Corporal Amanda Cole reported to Doctor Phlox , complaining of a mild headache that she had been experiencing for about a week . Unable to find any other cause , Phlox suspected that the cause may have been Vulcan neuro - pressure inexpertly performed by Commander Charles Tucker III . ( ) In an illusion created by the Talosian s , where Vina portrayed the wife of Christopher Pike , Vina , who was attempting to live within that false reality , told Pike of the recurring " headaches " she got whenever he talked " strangely " , in reference to his speaking of the Talosians . When she spoke of " children " , he reminded her that " These headaches , they ' ll be hereditary , you know . Would you wish them on a child or a whole group of children ? " ( ) Captain Kirk complained of a headache during the encounter with the Klingon s at Deep Space Station K - 7 . Upon arriving in sickbay , Dr . McCoy provided a pill , and asked whether the headache was due to Baris or the Klingons . ( ) In 2267 , Lieutenant suffered from a headache due to a hypersonic sound wave . ( ) A hangover was a type of headache that was usually experienced after the person recovered from the consumption of too many alcohol ic beverages , but could sometimes accompany the consumption or the inhalation of any type of mind - altering substance . Apparently the chief engineer of the , Lieutenant Commander Montgomery Scott , was well aware , as a confirmed non - teetotaler , this well - known aftereffect of the consumption of too much alcohol . In 2269 , after the " Enterprise " s ventilation system had been cleared of the remnants of Harry Mudd ' s love potion crystal s and he got over his temporary infatuation with Lieutenant M ' Ress , Scott complained of a " " hangover to shame all previous hangovers " " . ( ) Captain Picard experienced a headache when he was under the influence of a thought maker . ( ) Picard also had a headache after his assimilation by , and later release from , the Borg in 2367 . ( ) That same year , Keiko O ' Brien used the term " headache " as a euphemism for her experience doing an isozyme study on some populations of cardilia , stating " " What a headache . " " ( ) Early stages of the loss of her empathic sense due to the presence of the two - dimensional lifeform s were massive headaches , as experienced by Deanna Troi . Several other crewmembers were also so afflicted . ( ) In 2368 , Beverly Crusher asked Keiko O ' Brien if she ' d suffered headaches as a consequence of her memory probe by the Ulian s . She hadn ' t . ( ) By 2368 , Geordi La Forge ' s VISOR had caused him to experience headaches on several occasions , for which he ' d received treatment . ( ) Doctor Julian Bashir experienced a headache after the consciousness from the Kobliad criminal Rao Vantika was beam ed out of his brain . ( ) Elim Garak experienced headaches prior to his collapse in Quark ' s in 2370 . ( ) While in close proximity to a type - 4 quantum singularity in 2371 , a number of crewmembers of the reported to sickbay with headaches , including Ensign Harry Kim . ( ) In a delusion experienced by The Doctor in 2371 , a holographic version of Kathryn Janeway complained of " " one hell of a headache " . ( ) B ' Elanna Torres complained of a bad headache in 2373 , for which The Doctor begrudgingly gave her an analgesic . ( ) Benjamin Sisko suffered severe headaches in 2373 following exposure to a plasma burst from a holosuite console . The headaches were associated with odd synaptic potentials and post - neural shock syndrome , and also with a series of prophetic visions . Eventually , a neuropolaric induction was required to correct the condition . ( ) In Lieutenant Commander Tuvok ' s " Insurrection Alpha " holonovel , a holographic version of Commander Chakotay stated that the thought of spending seventy years on " Voyager " with Tuvok gave him a headache . ( ) Dominion virtual display device s caused headaches in Human s . ( ) Janeway frequently complained that the paradoxes associated with time travel gave her a headache , as she did in 2373 and 2375 . ( ) Janeway also experienced continuous headaches in 2374 when the Srivani were performing experiments on her regarding how well she could handle stress and pain . ( )