This observation led Swedish investigators to propose, in 1948, that there are two types of receptors sensitive to histamine, and close to two decades later British researchers gave the name H1 to ...

The drug development process is essential to provide an indication of the pharmacotherapeutic potential of an antihistamine and to establish its clinical efficacy. In vitro tests have demonstrated ...

For mild hives, your doctor may recommend an over-the-counter, second-generation H1 antihistamine such as fexofenadine (Allegra), loratadine (Claritin), cetirizine (Zyrtec), or desloratadine ...