服入毒物的急性症状常表现为胃肠刺激症状,例如:口内灼痛、上腹烧心,呕吐、肚痛、腹泻等。待药物吸收后即将引起昏厥、苍白或紫绀,血压降低,脉搏微弱,最后进入昏迷状态。有时可见惊厥或抽搐。在其他情况下,由于服入特殊的毒物或经口以外方法进入身体(吸入煤气、毒气,注射剂量过大之药物,接触毒物等)所引起之中毒只要病历明确,诊断是比较容易的。但有时病历不清楚或病人昏迷,体征不多,诊断就可能发生困难。医生应在遇到以上各种症状时想到急性中毒的可能,同时进行详细的了解病人,包括病人职业、生活状况、家庭环境、社会关系、过去疾病以及家中有无毒物、药瓶。查体时应注意有无急性中毒的症状、特征。如病历无帮助时则应按下列情况进行推测:注意症 Acute symptoms of poisoning often manifested as gastrointestinal irritation symptoms, such as: oral burning, abdominal heartburn, vomiting, abdominal pain, diarrhea and so on. After the drug is absorbed, it will cause fainting, pale or cyanosis, blood pressure reduction, weak pulse, and finally into a coma. Sometimes convulsions or convulsions. In other cases, it is easier to diagnose as a result of poisoning caused by the ingestion of specific poisons or other means of entering the body (inhalation of gas, poison gas, overdosage, contact with poisons, etc.) as long as the records are clear. But sometimes the medical records are not clear or the patient coma, few signs, the diagnosis may be difficult. Doctors should think of the possibility of acute poisoning when they encounter all of the above symptoms, and at the same time carry out a detailed understanding of the patients, including their occupations, their living conditions, family environment, social relations, past diseases and the presence of non-toxic and drug bottles in their homes. Physical examination should be noted whether the symptoms of acute poisoning, characteristics. If the medical record is not helpful, it should be speculated according to the following situations: attention disorder