Antihistamine Side Effects, Actions, Allergies, Motion, Sleeping
What are antihistamines? Antihistamines are those drugs that block the H1 histamine receptors and not the other histamine receptors like H2, H3 and H4. It is also known as a H1-receptor blocker. These drugs act by block the histamine-induced responses in allergic reactions. It is the most widely used allergy medicine for >> Read More ...