Side effects may vary.
The most common side effects for dogs are dry mouth, sedation, and hyperactivity. In cats the most common side effect is diarrhea.
Tell your doctor is if any of these symptoms are severe or do not go away.
This medication should not be used in animals allergic to it.
Talk to your veterinarian and use Clemastine 2.68mg with caution in animals with prostate, bladder, or digestive conditions, glaucoma, heart disease, or severe cardiac failure.
Since Clemastine may cause sedation, do not give it to working animals (police dogs, seeing-eye dogs, etc.).
Use with caution on pregnant or nursing animals as Clemastine may enter the milk and have negative effects on the offspring.