興奮劑

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20mg長效型的哌甲酯
古柯鹼常拿來做為娛樂性藥物

興奮劑又稱為中樞神經興奮劑中樞神經刺激劑(英文名稱:stimulantpsycho-stimulant)是一系列精神藥物的統稱,其中包括可以增加活動力的藥物[1]、會令人感到愉快和振奮的藥物,以及有交感興奮作用的藥物[2]。興奮劑可以提升警覺心、注意力和活力,同時也增加血壓心跳呼吸[3],常用作處方藥(例如ADHD的兒童或成人[3]),但也有用於藥物治療以外的使用(可能是脫法藥物英語Legal intoxicant或是非法使用),可能做為表現增強物質英語performance-enhancing substance或是娛樂性藥物

在美國,2013年最常用的處方藥興奮劑有lisdexamfetamine英語lisdexamfetamine哌甲酯苯丙胺[4]

醫療用途(Medical uses)[編輯]

中樞神經刺激劑在醫學上用來治療肥胖睡眠疾患嗜睡症(narcolepsy)、情感性疾患注意力不足過動症頑固型憂鬱症英語treatment-resistant depression頑固型強迫症英語treatment-resistant obsessive compulsive disorder氣喘、和鼻塞等。 [3] [5]

Drugs used to treat obesity are called 降食慾藥英語Anorectic(anorectic), and generally include drugs that follow the general definition of a stimulant but other drugs such as CB1受體英語CB1 receptor(CB1 receptor)antagonists exist in this class too.[6] [7] Drugs used to treat sleep disorders such as excessive daytime sleepiness are called eugeroic英語eugeroics, and include notable stimulants such as modafinil.[8] [9] Stimulants are used in impulse control disorders such as ADHD[10] and off label in mood disorders such as major depressive disorder to increase energy, focus and elevate mood.[11] Stimulants such as epinephrine,[12] theophylline and salbutamol[13] orally have been used to treat asthma, but inhaled adrenergic drugs are now preferred due to less systemic side effects. Many drugs have historically been used to treat nasal congestion from the stimulant class, however concerns about safety and abuse potential have led to mostly the use of pseudoephedrine to treat nasal congestion.[14] [15]

Target Drug Recognition site
Amphetamine Effect on α and β receptor
Atropine M2(muscarinic) antagonist
Cocaine Dopamine transporter
Methylphenidate Dopamine receptor antagonist
Nicotine Nicotinic Ach

[16]

注意力不足過動症[編輯]

用來治療ADHD的興奮劑包含:

[3]

安全性[編輯]

只要按照指示使用,中樞神經刺激劑如同其他藥品一樣安全,不會導致藥物濫用或成癮。研究顯示,以中樞神經興奮劑治療注意力不足過動症的患者,其往後將比沒有以中樞神經興奮劑治療的注意力不足過動症患者享有明顯更低的藥物濫用風險。 [3]

副作用[編輯]

如同其他藥物,中樞神經刺激劑也有副作用產生的可能,然而不是每個服用興奮劑的人都會有副作用。中樞神經刺激劑的副作用大都輕微(minor)並且在劑量降低或與其他藥物併用、調整服藥時間等調適後消失。

較常見的副作用[註 1]包含:

  • 難以入睡或難以維持睡眠。
  • 胃口降低。
  • 胃部不適。
  • 頭疼。

較少見的副作用[註 2]包含:

  • 肢體抽動或聲音抽動。(突然的、重複的動作或聲音)

[3]

備註[編輯]

  1. ^ 「常見副作用」的定義為:在臨床試驗中,實驗組中至少5 %的人出現此症狀,且在實驗組中出現此反應的比例為安慰組的兩倍。
  2. ^ 「較少見的副作用」的定義為:在臨床試驗中,實驗組中至少2 %的人出現此症狀,且在實驗組中出現此反應的比例多於安慰組。

參考資料[編輯]

  1. ^ stimulant - definition of stimulant in English | Oxford Dictionaries. Oxford Dictionaries | English. 
  2. ^ Treatment, Center for Substance Abuse. Chapter 2—How Stimulants Affect the Brain and Behavior. Substance Abuse and Mental Health Services Administration (US) (英語). 
  3. ^ 3.0 3.1 3.2 3.3 3.4 3.5 Mental Health Medications.. National Institute of mental health. (tertiary source). October 2016 [April 15th, 2017.]. 
  4. ^ Top 100 Drugs for Q4 2013 by Sales - U.S. Pharmaceutical Statistics. www.drugs.com. 
  5. ^ Harper, S. J.; Jones, N. S. Cocaine: what role does it have in current ENT practice? A review of the current literature. The Journal of Laryngology and Otology. 1 October 2006, 120 (10): 808–811. doi:10.1017/S0022215106001459. ISSN 1748-5460. PMID 16848922. 
  6. ^ Kaplan, Lee M. Pharmacological therapies for obesity. Gastroenterology Clinics of North America. 1 March 2005, 34 (1): 91–104. doi:10.1016/j.gtc.2004.12.002. ISSN 0889-8553. PMID 15823441. 
  7. ^ Palamara, Kerri L.; Mogul, Harriette R.; Peterson, Stephen J.; Frishman, William H. Obesity: new perspectives and pharmacotherapies. Cardiology in Review. 1 October 2016, 14 (5): 238–258. doi:10.1097/01.crd.0000233903.57946.fd. ISSN 1538-4683. PMID 16924165. 
  8. ^ The Voice of the Patient A series of reports from the U.S. Food and Drug Administration’s (FDA’s) Patient-Focused Drug Development Initiative (PDF). Center for Drug Evaluation and Research (CDER) U.S. Food and Drug Administration (FDA). 
  9. ^ Heal, David J; Smith, Sharon L; Gosden, Jane; Nutt, David J. Amphetamine, past and present – a pharmacological and clinical perspective. Journal of Psychopharmacology (Oxford, England). 7 January 2017, 27 (6): 479–496. doi:10.1177/0269881113482532. ISSN 0269-8811. PMC 3666194. 
  10. ^ Research, Center for Drug Evaluation and. Drug Safety and Availability - FDA Drug Safety Communication: Safety Review Update of Medications used to treat Attention-Deficit/Hyperactivity Disorder (ADHD) in adults. www.fda.gov (英語). 
  11. ^ Stotz, Gabriele; Woggon, Brigitte; Angst, Jules. Psychostimulants in the therapy of treatment-resistant depression Review of the literature and findings from a retrospective study in 65 depressed patients. Dialogues in Clinical Neuroscience. 1 December 1999, 1 (3): 165–174. ISSN 1294-8322. PMC 3181580. 
  12. ^ Doig RL. Epinephrin; especially in asthma. California State Journal of Medicine. February 1905, 3 (2): 54–5. PMC 1650334. PMID 18733372. 
  13. ^ Chu, Eric K.; Drazen, Jeffrey M. Asthma. American Journal of Respiratory and Critical Care Medicine. 1 June 2005, 171 (11): 1202–1208. doi:10.1164/rccm.200502-257OE. ISSN 1073-449X. 
  14. ^ Bicopoulos D,; Drug information for the healthcare professional., AusDI, 編, Castle Hill: Pharmaceutical Care Information Services 2nd edition, 2002. 
  15. ^ Pseudoephedrine (By mouth). PubMed Health. 
  16. ^ Overview of nano-enabled screening of drug-facilitated crime: A promising tool in forensic investigation 

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