药品信息: 药品名称
【别名】茶碱缓释片,无水茶碱缓释片,茶碱, 埃斯玛隆;葆乐辉;时乐平;舒弗美 ,优喘平,长效茶喘平
【外文名】Theophylline Sustained Release Tablets(茶碱缓释片), Anhydrous Theophylline Sustained Tablets(无水茶碱缓释片), ASMALON, Elixophylline, Etrafon, Theo-Dur, PROTHEO
【成分】 茶碱
适应症
支气管哮喘以及伴有慢性支气管炎和肺气肿的可逆性支气管痉挛,对夜间发作的哮喘患者更适宜。
用法用量
成人一般剂量 200mg/日,晚上8-9点服用或早晚各服用100mg, 根据病情可增加剂量至最 用量600mg/日,3岁以上儿童10mg/kg体重/日。 谨遵医嘱!
禁忌
对茶碱不能耐受的病人,未治愈的癫痫患者。
不良反应
头痛、恶心、失眠,少见消化不良、震颤和眩晕。
注意事项
消化性溃疡,肝肾功能不全,心力衰竭,持续高烧及使用某些药物,有低氧血症,高血压病史的患者慎用。孕妇及哺乳妇女避免使用。茶碱的毒性常出现在血清浓度为15~20μg/ml,特别是在治疗开始,早期 见的有恶心、呕吐、易激动、失眠等,当血清浓度超过20μg/ml,可出现心动过速、心律失常,血清中茶碱超过40μg/ml,可发生发热、失水、惊厥等症状,严重的甚至呼吸、心跳停止致死。本品可通过胎盘屏障,也能分泌入乳汁,随乳汁排出,故孕妇、产妇及哺乳期妇女慎用。新生儿血浆清除率可降低,血清浓度增加,应慎用。老年人因血浆清除率降低,潜在毒性增加,55岁以上患者慎用。
药物相互作用
与别嘌呤醇,西咪替丁,环丙沙星,红霉素及口服避孕药合用,可使茶碱血浓度增加。与利福平合用时,可使血清浓度降低。与苯妥因合用时,二者血药浓度均降低。勿与非选择性β-受体阻滞剂同时使用。
规格
100 mg, 200 mg, 300mg。
Drug Name
[Alias] theophylline anhydrous theophylline , theophylline, Ace Malong ; Bao Yue Hui ; When Leping ; Therophylline , Chuanping excellent , long-lasting tea Chuanping
Foreign Name Theophylline Sustained Release Tablets ( theophylline ), Anhydrous Theophylline Sustained Tablets ( theophylline anhydrous ), ASMALON, Elixophylline, Etrafon, Theo-Dur, PROTHEO
Ingredients theophylline
Indications
Bronchial asthma and reversible bronchospasm associated with chronic bronchitis and emphysema , asthma is more suitable for the night attack .
Dosage
General adult dose 200mg / day , in the evening or morning and evening taking 8-9 taking 100mg, to the most amount of 600mg / day increase the dose according to the disease , children under 3 years of age 10mg/kg body weight / day . Like doctor !
Contraindications
The patient can not tolerate theophylline , not cure epilepsy .
Adverse reactions
Headache, nausea , insomnia, indigestion rare , tremor and vertigo.
Precautions
Peptic ulcer disease , liver and kidney dysfunction , heart failure, high fever , and the use of certain drugs, hypoxemia, with caution in patients with a history of hypertension . Pregnant and lactating women to avoid using . Theophylline toxicity often appear in the serum concentration of 15 ~ 20μg/ml, especially at the beginning of treatment , early see are nausea, vomiting , irritability , insomnia , etc., when the serum concentration exceeds 20μg/ml, there may be tachycardia, arrhythmia, serum theophylline than 40μg/ml, can occur fever, dehydration , convulsions and other symptoms , serious and even breathing , cardiac arrest death. It can be used through the placental barrier , but also secreted into the milk , with the milk discharge , so pregnant women , pregnant women and lactating women with caution. Neonatal plasma clearance rate can be reduced , increased serum concentrations should be used with caution. Elderly due to lower plasma clearance rate , increase the potential toxicity with caution in patients older than 55 years .
Drug Interactions
, Cimetidine , ciprofloxacin, erythromycin and oral contraceptives in combination with allopurinol , can increase the blood concentration of theophylline . When combined with rifampin , can lower serum concentrations . When combined with phenytoin , both plasma concentrations were decreased. Not with non-selective β- blocker use .
Specification