苯妥图钠因已用于心律紊乱,对其毒性反应也是内科医师应加关注的问题。此药应用于临床仅30年,但已知一次静注50毫克可出现低血压、及/或中枢神经系抑制。更大剂量一次服入可发生小脑—前庭症状群,如长期过量可出现中枢神经系(小脑—前庭症状,动眼神经、性格改变与抽搐)、胃肠道(上腹痛、恶心、呕吐、食欲不振甚至致死性呕血)、皮肤 Phenytoin sodium has been used in heart rhythm disorders, the toxic reaction is physicians should pay more attention to the issue. The drug is used clinically for only 30 years, but it is known that 50 mg of an intravenous infusion can cause hypotension and / or CNS depression. Larger doses of one can occur cerebellar - vestibular symptomatic group, such as long-term over the central nervous system (cerebellum - vestibular symptoms, oculomotor nerve, personality changes and convulsions), the gastrointestinal tract (upper abdominal pain, nausea, vomiting, appetite Deaf or even lethal hematemesis), skin