Definition of Antihistamines. Meaning of Antihistamines. Synonyms of Antihistamines

- Antihistamines are drugs which treat allergic rhinitis, common cold, influenza, and other allergies. Typically, people take antihistamines as an inexpensive...
- [citation needed] In common use, the term "antihistamine" refers only to H1-antihistamines. Virtually all H1-antihistamines function as inverse agonists at the...
- first-generation antihistamines because second-generation antihistamines are more selective for the H1 receptor. Compared to other second-generation antihistamines, cetirizine...
- causes the condition. Treatment is typically with antihistamines, with the second generation antihistamines such as fexofenadine, loratadine and cetirizine...
- common target of most antidepressant drugs (as well as certain other antihistamines like cyproheptadine and promethazine). Diphenhydramine is not known...
- including nasal steroids, intranasal antihistamines such as olopatadine or azelastine, 2nd generation oral antihistamines such as loratadine, desloratadine...
- This action is responsible for its antihistamine and sedative effects. Unlike many other first-generation antihistamines, hydroxyzine has a lower affinity...
- drowsiness in comparison to other antihistamines that readily cross that barrier (i.e., first-generation antihistamines such as diphenhydramine). In general...
- "non-sedating" antihistamine, loratadine causes less (but still significant, in some cases) sedation and psychomotor ****ation than the older antihistamines, because...
- and long-term hives of unclear cause. It is less sedating than older antihistamines. It is taken by mouth. Common side effects include sleepiness, dry mouth...