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Diphenhydramine, sold under the brand name Benadryl among others, is an antihistamine and sedative.It is a first-generation H 1-antihistamine and it works by blocking certain effects of histamine, which produces its antihistamine and sedative effects.
Some forms of Benadryl are to be taken orally, while some creams and gels are to be applied to the skin. [2] Common side effects of the drug include drowsiness, dizziness, dry mouth and throat, confusion, and blurred vision. [2] In the United States and Canada, the active ingredient is diphenhydramine.
The evaluation of drug involves a number of methods that may be classified as follows: Organoleptic and morphological evaluation: Evaluation by means of organs of senses; knowing the color, odor, taste, size, shape and special features like texture. Microscopic: For identification of the pure powdered drug. This method allows more detailed ...
Piperoxan was discovered in 1933 and was the first compound with antihistamine effects to be identified. [22] Piperoxan and its analogues were too toxic to be used in humans. [22] Phenbenzamine (Antergan) was the first clinically useful antihistamine and was introduced for medical use in 1942. [22]
In general, the safety and effectiveness of alternative medicines have not been scientifically proven [1] and remain largely unknown. [2] Beyond adverse effects from the herb itself, "adulteration, inappropriate formulation , or lack of understanding of plant and drug interactions have led to adverse reactions that are sometimes life ...
First-generation antihistamines include diphenhydramine (Benadryl), carbinoxamine (Clistin), clemastine (Tavist), chlorpheniramine (Chlor-Trimeton), and brompheniramine (Dimetane). However, a 1955 study of "antihistaminic drugs for colds," carried out by the U.S. Army Medical Corps, reported that "there was no significant difference in the ...
Allergic rhinitis; Other names: Hay fever, pollenosis: SEM Microscope image of Pollen grains from a variety of common plants: sunflower (Helianthus annuus), morning glory (Ipomoea purpurea), prairie hollyhock (Sidalcea malviflora), oriental lily (Lilium auratum), evening primrose (Oenothera fruticosa), and castor bean (Ricinus communis).
Antipruritics, abirritants, [1] or anti-itch drugs, are medications that inhibit itching (Latin: pruritus).Itching is often associated with sunburns, allergic reactions, eczema, psoriasis, chickenpox, fungal infections, insect bites and stings like those from mosquitoes, fleas, mites, and contact dermatitis and urticaria caused by plants such as poison ivy (urushiol-induced contact dermatitis ...