Ma'anar ƙamus na maganin ƙwaƙwalwa yana nufin wani nau'in magani da ake amfani da shi don magance cututtuka na kwakwalwa, irin su schizophrenia da ciwon bipolar. An ƙera magungunan antipsychotic don ragewa ko kawar da alamun bayyanar cututtuka irin su ruɗi, ruɗi, da tunani mara kyau, waɗanda yawanci ke hade da waɗannan yanayi. Suna aiki ta hanyar rinjayar matakan wasu ƙwayoyin cuta a cikin kwakwalwa, irin su dopamine da serotonin, waɗanda aka yi imanin suna da hannu wajen haɓaka waɗannan alamun. Ana iya karkasa magungunan kashe qwayoyin cuta zuwa manyan nau’i biyu: na al’ada da na al’ada, dangane da sinadaran da suke da shi da kuma yadda suke shafar kwakwalwa.