👉 Sulphanilamide is a class of antihistamines, also known as H1-receptor blockers. It is used to treat allergic reactions and other conditions that cause inflammation in the body. It works by blocking the action of histamine, which is a compound found in the skin that causes irritation. Histamine helps to protect the body from infection and damage. When it's blocked, it can lead to an increase in symptoms such as sneezing, watery eyes, itching,
