Blood creatinine level. The blood creatinine level shows how well your kidneys are working. A high level may mean your kidneys are not working as they should. The amount of creatinine in the blood depends partly on the amount of muscle tissue you have.
Xanax is stronger. 0.5 mg of Xanax equals 10 mg of Valium. But Xanax is mostly effective for about 2 hours, then you may have to repeat the dose (and regular doses may cause addiction). Valium peak-level effects wear off after 1 hour, but it stays in blood longer, and continues working for about 12 hours.
Librium has a longer time to peak than Xanax (alprazolam), meaning Xanax (alprazolam) works quicker. Librium has a longer half-life which means it hangs around in your system longer. Most of the time Librium is used for alcohol or benzo withdrawal. Xanax (alprazolam) is usually used for acute anxiety. Both are addictive. ...