Xanax is the most widely prescribed medicine for the treatment of anxiety disorder, panic attacks and chronic insomnia. It affects the functioning of GABA neurotransmitters in the brain to reduce anxiety and enables restless patients to doze off. Physicians examine the condition of the patient before recommending this drug to users. It is the primary duty of the users to understand the usage guidelines and the safety precautions, prior to its use. Addiction, as well as dependence, can prove harmful for the users. Sleep driving, sleep eating, pain in the chest, suicidal thoughts and aggressive behaviour are some of the side effects of this medicine. Mixing of Xanax with alcohol or other recreational drugs can lead to severe health consequences. This pill is not meant for mentally challenged persons, minors, pregnant women and lactating mothers. Anxiety patients can buy Xanax online in UK on the prescription of a reputed health care advisor.