Encyclopedia - Antihistamine: Encyclopedia Ii - Antihistamine - Other Agents
Antihistamine - Inhibitors of histamine release. These agents appear to stabilise the mast cells to prevent degranulation and mediator ...   » Read the article

Encyclopedia - Antihistamine: Encyclopedia Ii - Antihistamine - First-generation H1-receptor Antagonists
These are the oldest antihistaminergic drugs and are relatively inexpensive and widely available. They are effective in the relief of all...   » Read the article

Encyclopedia - Antihistamine: Encyclopedia Ii - Antihistamine - Second-generation H1-receptor Antagonists
These are newer drugs that are much more selective for peripheral H1 receptors in preference to the central nervous system histaminergic ...   » Read the article

Encyclopedia - Antihistamine: Encyclopedia - Antihistamine
An antihistamine is a drug which serves to reduce or eliminate effects mediated by histamine, an endogenous chemical mediator released du...   » Read the article

Encyclopedia - Brompheniramine: Encyclopedia - Brompheniramine
Brompheniramine Brompheniramine is an antihistaminergic medication of the propylamine class. It is commonly available over the counter a...   » Read the article

Encyclopedia - Promethazine: Encyclopedia Ii - Promethazine - General Remarks And Pharmacology
Promethazine (sold as Phenergan and Promethegan) is a first-generation H1 receptor antagonist (antihistamine) and anti-nausea medication ...   » Read the article

Encyclopedia - Hyposensitization: Encyclopedia Ii - Hyposensitization - Procedure
Small hypodermic syringes are used to inject commercial allergen extracts. Injections are normally given into the loose tissue over the b...   » Read the article

Encyclopedia - H₂-receptor Antagonist: Encyclopedia Ii - H₂-receptor Antagonist - History And Development
Cimetidine was the prototypical histamine H2-receptor antagonist from which the later members of the class were developed. Cimetidine was...   » Read the article

Encyclopedia - Antihistamine: Encyclopedia Ii - Antihistamine - Pharmacology
In allergic reactions an allergen (a type of antigen) interacts with and cross-links surface IgE antibodies on mast cells and basophils. ...   » Read the article

Encyclopedia - Antihistamine: Encyclopedia Ii - Antihistamine - Clinical Use Of Antihistamines
Antihistamine - Indications. H1-antihistamines are clinically used in the treatment of histamine-mediated allergic conditions. Specific...   » Read the article

Encyclopedia - Antihistamine: Encyclopedia Ii - Antihistamine - Third-generation H1-receptor Antagonists
These are the active enantiomer (levocetirizine, desloratadine) or metabolite (fexofenadine) derivatives of second-generation drugs inten...   » Read the article