Vicodin and Xanax are medicines people get from their doctor with a prescription. However, they are used for very different health problems. People could take a medication called Vicodin if they are hurting. This medicine reduces the pain a person may be feeling by changing the brain's perception of pain. This medication is frequently prescribed if people are injured or have had surgery. Xanax helps many people reduce severe anxiety and stress. People get benefits when they use it for a short time period. Long-term use of this medicine and taking it without a doctor's suggestion can cause many side effects. Some symptoms of Vicodin abuse include sleepiness, dizziness, nausea, and constipation. Some symptoms of Xanax abuse include drowsiness, confusion, headache, and tiredness. Since the use of either of these medicines for long-term or high dosages can be addictive, it is important to use them with caution. To know how to use these medicines wisely, it is good to know the differences between them.