Antihistamines: Difference between revisions

Revision as of 20:57, 23 May 2015

Also known as histamine antagonists
In common use, the term antihistamine refers only to compounds that inhibit action at the H₁ receptor (and not H₂, etc.).

Sedation
- Second-generation antihistamines cross the blood–brain barrier to a much lower degree (therefore are less sedating), however high doses can still induce the drowsiness

Authors:

@@ Line 1: / Line 1: @@
-#[[Diphenhydramine]] (Benadryl)
+==Background==
-#Brompheniramine (Dimetane)
+*Also known as histamine antagonists
-#Loratadine (Claritin, Alavert)
+*In common use, the term antihistamine refers only to compounds that inhibit action at the H<sub>1</sub> receptor (and not H<sub>2</sub>, etc.).
-#Certirizine (Zyrtec)
+==Types==
+===H1 antagonist===
+*[[Brompheniramine]] (Dimetane)
+*[[Cetirizine]] (Zyrtec)
+*[[Dimenhydrinate]]
+*[[Diphenhydramine]] ([[Benadryl]])
+*[[Doxylamine]]
+*[[Fexofenadine]] (Allegra)
+*[[Hydroxyzine]] (Vistaril)
+*[[Loratadine]] (Claritin)
+*[[Meclozine]]
+===H<sub>2</sub>-receptor antagonists===
+*[[Cimetidine]]
+*[[Famotidine]]
+*[[Lafutidine]]
+*[[Nizatidine]]
+*[[Ranitidine]]
+*[[Roxatidine]]
+*[[Tiotidine]]
+==Indications==
+*H<sub>1</sub> antagonists
+**[[Allergic reactions]]
+**[[Insomnia]]
+**[[Vertigo]]
+*H<sub>2</sub> antagonists
+**[[GERD]]/[[peptic ulcers]]
+**[[Alergic reactions]]
+==Side Effects==
+*Sedation
+**Second-generation antihistamines cross the blood–brain barrier to a much lower degree (therefore are less sedating), however high doses can still induce the drowsiness
 ==See Also==
 *[[Anticholinergic toxicity]]
+==References==
+<references/>
 [[Category:Drugs]]