Antihistamine Drugs - List of Common Brands Generics . . . Antihistamine drugs block histamine release from histamine-1 receptors and are mostly used to treat allergies or cold and flu symptoms, although some first-generation antihistamines (also called sedating antihistamines) may be used for other conditions, such as nausea or motion sickness
Antihistamine - Wikipedia Antihistamines suppress the histamine-induced wheal response (swelling) and flare response (vasodilation) by blocking the binding of histamine to its receptors or reducing histamine receptor activity on nerves, vascular smooth muscle, glandular cells, endothelium, and mast cells
Over-the-Counter Antihistamines: Brands and Side Effects Antihistamines work by reducing the effects of histamine, a substance released during an allergic reaction This helps alleviate common allergy symptoms like a runny nose, sneezing, and itching
Antihistamines for Allergies: Benefits and Side Effects - WebMD Antihistamines reduce or block histamines, so they stop allergy symptoms These medicines work well to ease symptoms of different types of allergies, including seasonal (hay fever), indoor, and
Antihistamine Drugs List: 7 Common Antihistamines - GoodRx Antihistamines are a class of medications most often taken to treat allergy symptoms There are first-, second-, and third-generation antihistamines First-generation antihistamines can often treat other symptoms besides allergies But they tend to cause more side effects, such as drowsiness
Allergy medications: Know your options - Mayo Clinic Antihistamines block certain cells in the body from receiving histamine Histamine is a chemical released by the immune system that causes the symptoms of an allergic reaction Antihistamine nasal sprays help relieve sneezing, an itchy or runny nose, sinus congestion, and postnasal drip
Antihistamines: Uses, Types, Side Effects, Interactions - Health Antihistamines block histamine receptors to treat allergy symptoms like itching and sneezing You may avoid first-generation antihistamines, which can cause drowsiness Opt for second-generation
Antihistamines - NHS Antihistamines block the effects of a substance called histamine in your body Histamine is normally released when your body detects something harmful, such as an infection It causes blood vessels to expand and the skin to swell, which helps protect the body
Antihistamines and How Theyre Used - Verywell Health Antihistamines are a class of drugs primarily used to relieve allergies They do so by blocking a chemical known as histamine that is released by the immune system whenever the body is confronted by an allergy-causing substance (allergen) 1