[anonymous]

“Xanax may have a paradoxical effect in some dogs, and cause excitement or exacerbate aggressive behaviors. Long term treatment carries a risk of physical dependence. Withdrawal symptoms include sensitivity to light, vomiting and shaking. Dogs are kept on Xanax for very short periods of time at the lowest possible dosage, to avoid physical dependency”.

The above is an excerpt, click on link for full article https://www.vetinfo.com/xanax-dogs-anxiety.html