As of 2015, Wal-Mart, Amazon and Swanson Health Products sell 10 milligram tablets of cetirizine hydrochloride, according to each company's website. Target sells the exact same ingredient in 10 milligram doses under the brand name Zyrtec, states its website.
Prices for cetirizine hydrochloride at Wal-Mart, Amazon, Swanson Health Products and Target vary according to bottle size and number of tablets, as stated on their websites. Wal-Mart sells a version under its house brand, Equate. OHM Laboratories is the manufacturer of the cetirizine hydrochloride product Swanson Health Products sells. OHM Laboratories claims that the 10 milligram dose is sufficient to provide allergy relief to an adult for up to 24 hours.