TOKSIKOZ (az yun. (tokhikon — zahr, yak nav masmumiyat), holati bemoriest, ki dar natijai ba organizm tasir namudani zahrhoi beruna (ekzogeni, masalan, mikrobho) yo moddahoi zararnoki dar khudi organizm hosilshuda (masalan, hangomi toksikozhoi homilagon, tireotoksikoz) ba vujud meoyad. Toksikozi homilagon bemoriest, ki dar organizmi zan hangomi homilagi yo zoish (bazan) paydo shuda, odatan badi tavalludi kudak qat meyobad.
Toksikozi homilagon barmahal (qay, az had ziyod qay kardan, raftani obi dahon) va bemahal (istisqoi haml, nefropatiya, preeklampsin va eklampsiya dar nimai 2- yumi davrai homilagi) meshavad. Dar surati beist qay kardan (beshtar az 20 marotiba dar yak shaboruz, ki boisi tez kharobu beobshavii organizm megardad), inchunin hangomi Toksikozi bemahal bemorro zud ba kasalkhona burdan shart ast.