|Systematic (IUPAC) name|
|Pregnancy cat.||B (US)|
|Legal status||℞-only (US)|
|Mol. mass||348.438 g/mol|
|(what is this?)|
Acrivastine is a medication used for the treatment of allergies and hay fever. It is a second-generation H1-receptor antagonist antihistamine (like its base molecule triprolidine) and works by blocking Histamine H1 receptors.
This non-sedating antihistamine is sold under the brand name Benadryl Allergy Relief in the United Kingdom by McNeil Laboratories, not to be confused with Benadryl Once a Day, which is cetirizine and is also sold by McNeil in the UK. It is available as an over-the-counter medication in the UK.
In the U.S., acrivastine is the active ingredient in the Semprex brand. Semprex-D is also acrivastine-based, but contains a decongestant, pseudoephedrine. Semprex-D is marketed in the U.S. by Actient Pharmaceuticals.
Comparisons with other popular antihistamines
- SEMPREX-D - acrivastine and pseudoephedrine hydrochloride capsule U.S. National Library of Medicine, National Institutes of Health, May 2008
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