Hydroxy
# Hydroxy

Hydroxy can refer to:

* In chemical nomenclature, the prefix "hydroxy-" shows the presence of a hydroxyl functional group (−OH).
* An abbreviation for the medication hydroxyzine, which is commonly sold under the brand names Atarax, Ucerax, Serecid, and Vistaril.
* Hydroxy gas, a nickname for oxyhydrogen, a combination of hydrogen and oxygen gas produced from the electrolysis of water.
