Celexa Side Effects is your online resource connecting your to information about Celexa, as well as an online portal to purchase Celexa and other antidepressants. Celexa Citalopram affects chemicals in the brain that may become unbalanced and cause depression. Celexa Side Effects combines a secure ordering system with detailed drug information so you can make an informed decision about your antidepressant medication purchase. Start by finding your medication in the menu or from the featured products below.