The ^-receptor antagonists for the most part are substituted ethylamine compounds. In comparison with his-tamine, the ^-antagonists contain no imidazole ring and have substituents on the side chain amino group.

The ^-antagonists are classified as either first- or second-generation compounds. Second-generation anti-histamines have lipophilicity and ionization profiles that make them less able to cross the blood-brain barrier; thus they produce dramatically less sedation than do the first-generation drugs.

Was this article helpful?

0 0
Diabetes Sustenance

Diabetes Sustenance

Get All The Support And Guidance You Need To Be A Success At Dealing With Diabetes The Healthy Way. This Book Is One Of The Most Valuable Resources In The World When It Comes To Learning How Nutritional Supplements Can Control Sugar Levels.

Get My Free Ebook

Post a comment