Always follow the dosage that your doctor prescribes.As with any drug, never change your dosage of Xanax without your doctor's recommendation. Xanax is usually prescribed for people who have been diagnosed with anxiety disorders or panic disorders. Xanax is often prescribed for the treatment of panic disorder, generalized anxiety disorder (GAD), and social anxiety disorder. Therefore, it is usually prescribed as a short-term treatment option to manage acute anxiety symptoms. By taking these precautions, you can manage your anxiety symptoms effectively without breaking the bank.Xanax Doctors: Who Are They? Zoloft withdrawal symptoms can include dizziness, headache, nausea, and electric shock sensations. Long-term use of Xanax can have serious consequences, including addiction, dependency, and withdrawal symptoms.