It is sold under the brand name Benadryl Allergy Relief in the U.K. by McNeil Laboratories, not to be confused with Benadryl Once a Day, which is cetirizine and is also sold by McNeil in the U.K. It is available as an over-the-counter medication in the UK.
In the U.S., acrivastine is the active ingredient in the Semprex-D brand. Semprex-D is also acrivastine-based, but contains a decongestant, pseudoephedrine. Semprex-D is marketed in the U.S. by Actient Pharmaceuticals LLC.