Not for use in animals hypersensitive (allergic) to hydroxyzine or similar medications. Use with caution in animals with hypothyroidism, heart disease, glaucoma, enlarged prostate, severe cardiac failure, or obstruction of the urinary bladder (problems urinating), or obstruction of the pylorus (junction between the stomach and intestine).
Use in pregnant and lactating animals (female animals nursing their young)only if benefits outweigh their risks. Use with caution in working animals (military dogs, police dogs, seeing eye dogs, hearing dogs, working horses, etc.) as it may cause too much sedation.
Discontinue use at least 7 days prior to skin allergy testing.
In horses, hydroxyzine is a classified drug. Consult your veterinarian and event officials before using hydroxyzine or any other medication in performance horses. Not for use in horses intended for food.