Aleaʻi ʻa e toxicity taʻe ʻi ai ha fakamatala ki he huhu ʻoku takihalaʻi; butane maʻa ʻoku ʻikai kona. Neongo ʻoku ʻikai metabolized ʻa butane ʻi he sino ʻo e tangata, ʻe lava ke hu maʻu pe ki he ngaahi tuʻunga maʻolunga ʻa e polokalama circulatory, liliu maʻu pe metabolic ngaahi ngaue.
ʻI he taimi ʻoku butane ai, ʻOku ne fononga ki he maʻamaʻa ʻi he feituʻu ʻoku ʻi ai pea toki ʻaonga ki he ʻuto, Mapuleʻi ʻa e tefitoʻi founga manavasiʻi. ʻE lava ke fakatupu ʻe he fanga kiʻi fakafetuʻutaki iki ha ngaahi fakaʻilonga hange ko e nini, langa ʻulu, mo fakalaka hake ai mata-meʻa-hā-mai. ʻI hono fakafehoanaki, ʻe lava ke iku ʻa e fakafetuʻutaki mahuʻinga ki he pongia.