It is important to follow the veterinarian's instructions carefully when administering Xanax, as giving too much or too little can be dangerous. Xanax is a medication that's classified as a benzodiazepine. Remember that seeking help is not a sign of weakness but a sign of strength.Alprazolam vs Xanax: What's the Difference: can xanax cause low blood pressure? Can xanax cause low blood pressure: i am trying new medicines to help me sleep. Can xanax cause low blood pressure - the duration of action for Xanax is relatively short, with effects lasting anywhere from 4 to 6 hours. Even moderate forms of low blood pressure can cause uncomfortable symptoms like dizziness, weakness, and fainting. Benzodiazepines like Xanax affect your heart by slowing down the heart rate and blood pressure. Patients should also be cautious about taking nitrazepam or Xanax with other medications that can slow down heart rate or breathing, such as beta-blockers or tranquilizers. In rare cases, Xanax can also cause more serious side effects like memory loss and confusion. Long-term use of Xanax can also lead to cognitive impairment and memory problems. With that said, today we're addressing a common question in Xanax users: does Xanax cause heart problems? There are several differences between Buspirone and Xanax. It is not addictive and has fewer side effects than Xanax. Klonopin and Xanax are both benzodiazepines that have similar effects on the brain. Xanax works in a similar way to Ativan, by enhancing the activity of GABA in the brain. It is not known if XANAX XR is safe and effective in children.