Anti Histamine ( anti Allergy) ; Definition, Types, Pharmacokinetic and Side effects
Anti Histamine Antihistamines are a class of drugs that work by blocking the effects of histamine, a chemical that is released by the body during an allergic reaction. Antihistamines are most commonly used by people who have allergic reactions to pollen and other allergens. They are also used to treat a variety of other conditions such as stomach problems, colds, anxiety and more. What are Allergy ? Allergies are your body’s reaction to a foreign protein. Usually, these proteins (allergens) are harmless. However, if you have an allergy to a particular protein, your body’s defense system (immune system ) overreacts to its presence in your body. In the case of an allergy, substances that are usually harmless and don’t bother some people, such as dust or animal dander, do bother you! Your body views these substances as “foreign,” which then triggers an overreaction by your body’s defense system that includes the release of histamine. What is Histamine ? Hista...