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LiverTox: Clinical and Research Information on Drug-Induced Liver Injury [Internet]. Bethesda (MD): National Institute of Diabetes and Digestive and Kidney Diseases; 2012-.
LiverTox: Clinical and Research Information on Drug-Induced Liver Injury [Internet].
Show detailsOVERVIEW
Drugs for insomnia, which are also known as sedatives, hypnotics, medications for sleep, sleeping aids or more colloquially “sleeping pills”, are some of the most commonly used medications, both by prescription and over-the-counter. Insomnia affects up to 20% of the adult population and can be transient (<3 days), short term (3 to 30 days), or long term and chronic. Insomnia is also categorized as either primary or secondary. The drugs for insomnia are typically used for a short time only and act to decrease the latency to onset of sleep or prevent early awakening. They may improve the quality of sleep as assessed subjectively, but they usually do not usually increase sleep duration.
In many situations, insomnia need not be treated with medications; good sleep hygiene, adequate exercise, avoidance of alcohol and caffeine, and attention to the details of regular sleep habits can improve insomnia in many patients. Furthermore, while medications can be effective in the short term, they sometimes worsen or perpetuate insomnia when used for long periods.
Several types of medications are used to treat insomnia or as sleeping aids, including barbiturates, antihistamines, various herbals, benzodiazepines and benzodiazepine receptor analogues. Currently, the benzodiazepine receptor analogues are the most frequently used drugs for insomnia and have perhaps the best record for safety and efficacy. The majority of sleeping aids have not been linked to liver injury, either in the form of clinically apparent acute liver injury or in causing transient serum enzyme elevations.
Drugs for insomnia are also referred to as sedatives, even tranquillizers. The various agents used to treat insomnia or as sleeping aids or sedatives are each described separately with annotated references.
Drug Class: Sedatives and Hypnotics
Subclasses:
- Barbiturates
- Chamomile (Matricaria recutita)
- Hops (Humulus lupulus)
- Lavender (Lavandula angustifolia)
- Passionflower (Passiflora incarnata)
- Valerian (Valeriana officinalis)
- Miscellaneous Agents
ANNOTATED BIBLIOGRAPHY
References updated: 20 February 2018
- Zimmerman HJ. Anxiolytic agents. In, Zimmerman HJ. Hepatotoxicity: the adverse effects of drugs and other chemicals on the liver. 2nd ed. Philadelphia: Lippincott, 1999, pp. 491-3.(Expert review of hepatotoxicity published in 1999 discusses benzodiazepines and minor tranquilizers: "In general, the hepatotoxic potential of this widely used group of compounds seems low").
- Larrey D, Ripault MP. Anxiolytic agents. Hepatotoxicity of psychotropic drugs. In, Kaplowitz N, DeLeve LD, eds. Drug-induced liver disease. 3rd ed. Amsterdam: Elsevier, 2013, p. 455-6.(Review of hepatotoxicity published of anxiolytic agents discusses benzodiazepines, buspirone and valerian, all of which have been linked to rare cases of liver injury).
- Mihic SJ, Harris RA. Hypnotics and sedatives. In, Brunton LL, Chabner BA, Knollman BC, eds. Goodman & Gilman's the pharmacological basis of therapeutics. 12th ed. New York: McGraw-Hill, 2011, pp. 457-80.(Textbook of pharmacology and therapeutics).
- Terzano MG, Rossi M, Palomba V, Smerieri A, Parrino L. New drugs for insomnia: comparative tolerability of zopiclone, zolpidem and zaleplon. Drug Saf 2003; 26: 261-82. [PubMed: 12608888](Comparison of adverse events and tolerability of three new drugs for insomnia focusing upon CNS symptoms such as headache, drowsiness and fatigue; mentions rare observations suggestive of hepatotoxicity of zolpidem [Karsenti 1999]).
- Drover DR. Comparative pharmacokinetics and pharmacodynamics of short-acting hypnosedatives: zaleplon, zolpidem and zopiclone. Clin Pharmacokinet 2004; 43: 227-38. [PubMed: 15005637](Review of mechanism of action, pharmacology, efficacy and adverse effects of 3 nonbenzodiazepine hypnotic agents: zaleplon, zolpidem and zopiclone).
- Ramelteon (Rozerem) for insomnia. Med Lett Drugs Ther 2005; 47 (1221): 89-91. [PubMed: 16267494](Concise summary of mechanism of action, pharmacology, efficacy and safety of ramelteon for insomnia, published shortly after its approval in the US, mentions that high doses in rats caused liver cancers, but no mention of hepatotoxicity in humans).
- Eszopiclone (Lunesta), a new hypnotic. Med Lett Drugs Ther 2005; 47 (1203): 17-9. [PubMed: 15767972](Concise summary of mechanism of action, pharmacokinetics, efficacy and safety of eszopiclone for insomnia published shortly after its approval in the US; no mention of change in ALT levels or hepatotoxicity).
- Drug for insomnia. Treat Guidel Med Lett 2012; 10 (119): 57-60. [PubMed: 22777275](Guideline recommendations for therapy of insomnia; mentions that benzodiazepine receptor agonists, benzodiazepines, ramelteon and low doses of doxepin are effective and generally safe; among adverse events, no mention of ALT elevations or hepatotoxicity of any of the recommended agents).
- Björnsson ES, Bergmann OM, Björnsson HK, Kvaran RB, Olafsson S. Incidence, presentation and outcomes in patients with drug-induced liver injury in the general population of Iceland. Gastroenterology 2013; 144: 1419-25. [PubMed: 23419359](In a population based study of drug induced liver injury from Iceland, 96 cases were identified over a 2 year period, but none were attributed to a sleeping aid, despite the fact that zopiclone and zolpidem are among the 25 most commonly prescribed drugs in Iceland).
- FDA. https://www
.fda.gov/downloads /Drugs/DrugSafety/UCM335007.pdf (FDA letter warning of the next-morning impairment including driving ability after use of insomnia drugs and recommendation of use of lower doses, particularly for women). - Hernández N, Bessone F, Sánchez A, di Pace M, Brahm J, Zapata R, A Chirino R, et al. Profile of idiosyncratic drug induced liver injury in Latin America. An analysis of published reports. Ann Hepatol 2014; 13: 231-9. [PubMed: 24552865](Systematic review of literature of drug induced liver injury in Latin American countries published from 1996 to 2012 identified 176 cases, but none were attributed to sedatives or sleeping aids).
- Douros A, Bronder E, Andersohn F, Klimpel A, Thomae M, Sarganas G, Kreutz R, et al. Drug-induced liver injury: results from the hospital-based Berlin Case-Control Surveillance Study. Br J Clin Pharmacol 2015; 79: 988-99. [PMC free article: PMC4456131] [PubMed: 25444550](Among 76 cases of suspected drug induced liver injury and 377 controls enrolled in a German, prospective hospital based registry, 9 cases but also 15 controls had been exposed to zolpidem, a difference that was not statistically significant).
- Chalasani N, Bonkovsky HL, Fontana R, Lee W, Stolz A, Talwalkar J, Reddy KR, et al.; United States Drug Induced Liver Injury Network. Features and outcomes of 899 patients with drug-induced liver injury: The DILIN Prospective Study. Gastroenterology 2015; 148: 1340-52.e7. [PMC free article: PMC4446235] [PubMed: 25754159](Among 899 cases of drug induced liver injury enrolled in a US prospective study between 2004 and 2013, 82 [9%] were attributed to agents active in the central nervous system, but none were sedatives or sleeping aids).
- Suvorexant (Belsomra) for insomnia. Med Lett Drugs Ther 2015; 57 (1463): 29-31. [PubMed: 25719996](Concise review of the efficacy, safety and costs of suvorexant as therapy of insomnia shortly after its approval in the US, mentions the most common side effect as being next day somnolence [in 7-13% of recipients]; no mention of hepatotoxicity or ALT elevations).
- Drugs for insomnia. Med Lett Drugs Ther 2015; 57 (1472): 95-8. [PubMed: 26147892](Concise review of the mechanism of action, efficacy, safety and costs of drugs for insomnia including benzodiazepine receptor agonists, benzodiazepines, melatonin receptor agonists, orexin receptor antagonists and other agents including nonprescription and herbal products).
- Main neuroendocrine features and therapy in primary sleep troubles.[Rev Med Chir Soc Med Nat Iasi....]Main neuroendocrine features and therapy in primary sleep troubles.Amihăesei IC, Mungiu OC. Rev Med Chir Soc Med Nat Iasi. 2012 Jul-Sep; 116(3):862-6.
- Review Review of Safety and Efficacy of Sleep Medicines in Older Adults.[Clin Ther. 2016]Review Review of Safety and Efficacy of Sleep Medicines in Older Adults.Schroeck JL, Ford J, Conway EL, Kurtzhalts KE, Gee ME, Vollmer KA, Mergenhagen KA. Clin Ther. 2016 Nov; 38(11):2340-2372. Epub 2016 Oct 15.
- Review Treatment options for insomnia.[Am Fam Physician. 2007]Review Treatment options for insomnia.Ramakrishnan K, Scheid DC. Am Fam Physician. 2007 Aug 15; 76(4):517-26.
- Sleep complaints: Whenever possible, avoid the use of sleeping pills.[Prescrire Int. 2008]Sleep complaints: Whenever possible, avoid the use of sleeping pills.. Prescrire Int. 2008 Oct; 17(97):206-12.
- Treatment of Chronic Insomnia in Adults.[Am Fam Physician. 2024]Treatment of Chronic Insomnia in Adults.Matheson EM, Brown BD, DeCastro AO. Am Fam Physician. 2024 Feb; 109(2):154-160.
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