Antihistamines (H1 receptor antagonists)

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter discusses the adverse effects of antihistamines (H1 receptor antagonists). Antihistamines act as inverse agonists that combine with H1 receptors, stabilizing them in the inactive form and shifting the equilibrium towards the inactive state. The cardiotoxic effects of antihistamines are of concern in patients with long QT syndrome who also have allergies. Fixed drug eruptions are the most frequent types of adverse cutaneous drug reaction; although fixed drug eruptions caused by systemic antihistamines are very rare, some have been previously reported with both cetirizine and levocetirizine, and another has been reported. First-generation sedating antihistamines such as dexchlorpheniramine and diphenhydramine readily cross the blood–brain barrier, resulting in blockade of histamine H1 receptors in the brain, which are responsible for maintaining a state of arousal, leading to drowsiness, fatigue, and psychomotor disturbances.
Original languageEnglish
Title of host publicationSide effects of drugs annual
Subtitle of host publicationa worldwide yearly survey of new data and trends in adverse drug reactions
EditorsJeffrey K Aronson
Place of PublicationAmsterdam, Netherlands
PublisherElsevier Science
Pages305-310
Number of pages6
Volume32
ISBN (Print)0444535500, 978-0444535504
DOIs
Publication statusPublished - 21 Dec 2010

Publication series

NameMeyler's Side Effects of Drugs
PublisherElsevier Science
Volume32
ISSN (Print)0378-6080

Fingerprint

Histamine H1 Receptors
Histamine Antagonists
Drug Eruptions
Cetirizine
Histamine H1 Antagonists
Diphenhydramine
Long QT Syndrome
Sleep Stages
Arousal
Drug-Related Side Effects and Adverse Reactions
Fatigue
Hypersensitivity
Skin
Brain

Cite this

Walsh, G. M. (2010). Antihistamines (H1 receptor antagonists). In J. K. Aronson (Ed.), Side effects of drugs annual : a worldwide yearly survey of new data and trends in adverse drug reactions (Vol. 32, pp. 305-310). (Meyler's Side Effects of Drugs; Vol. 32). Amsterdam, Netherlands: Elsevier Science . https://doi.org/10.1016/S0378-6080(10)32015-0

Antihistamines (H1 receptor antagonists). / Walsh, Garry M.

Side effects of drugs annual : a worldwide yearly survey of new data and trends in adverse drug reactions. ed. / Jeffrey K Aronson. Vol. 32 Amsterdam, Netherlands : Elsevier Science , 2010. p. 305-310 (Meyler's Side Effects of Drugs; Vol. 32).

Research output: Chapter in Book/Report/Conference proceedingChapter

Walsh, GM 2010, Antihistamines (H1 receptor antagonists). in JK Aronson (ed.), Side effects of drugs annual : a worldwide yearly survey of new data and trends in adverse drug reactions. vol. 32, Meyler's Side Effects of Drugs, vol. 32, Elsevier Science , Amsterdam, Netherlands, pp. 305-310. https://doi.org/10.1016/S0378-6080(10)32015-0
Walsh GM. Antihistamines (H1 receptor antagonists). In Aronson JK, editor, Side effects of drugs annual : a worldwide yearly survey of new data and trends in adverse drug reactions. Vol. 32. Amsterdam, Netherlands: Elsevier Science . 2010. p. 305-310. (Meyler's Side Effects of Drugs). https://doi.org/10.1016/S0378-6080(10)32015-0
Walsh, Garry M. / Antihistamines (H1 receptor antagonists). Side effects of drugs annual : a worldwide yearly survey of new data and trends in adverse drug reactions. editor / Jeffrey K Aronson. Vol. 32 Amsterdam, Netherlands : Elsevier Science , 2010. pp. 305-310 (Meyler's Side Effects of Drugs).
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