What increases by Valium xanax and alcohol?

The combination of Valium (diazepam), Xanax (alprazolam), and alcohol can significantly increase the effects of sedation and respiratory depression. This can lead to heightened drowsiness, impaired coordination, and increased risk of overdose, which can be life-threatening. Additionally, mixing these substances can lead to unpredictable effects on mood and cognition. It's crucial to avoid combining these substances without medical supervision.