Zanax (Xanax), tranquilizer, is a prescription medication for the treatment of patients with panic disorder, with or without agoraphobia. Zanax works by decreasing abnormal excitement in the brain. Zanax have to be taken 2 to 4 times a day. You may feel calm after you take the medicine, but then feel anxious before it’s time to take the next dose.
Some doctors prescribe Zanax (Xanax) to treat alcohol withdrawal, fear of open spaces and strangers, depression, irritable bowel syndrome, and premenstrual syndrome.