AbbVie Inc. is an American pharmaceutical company headquartered in North Chicago, Illinois. It is ranked sixth on the list of largest biomedical companies by revenue. In 2023, the company's seat in Forbes Global 2000 was 74. The company's primary product is Humira, administered via injection. It is approved to treat autoimmune diseases including rheumatoid arthritis, Crohn's disease, plaque psoriasis, and ulcerative colitis. It developed Skyrizi, an interleukin-23 inhibitor also used to treat autoimmune diseases. Its other major products include Botox, Imbruvica to treat cancer, Rinvoq to treat arthritis, Venclexta to treat leukemia and lymphoma, Vraylar to treat schizophrenia and bipolar disorder, and Mavyret to treat Hepatitis C. The company is also committed to product development for other treatments of cancer, neurologic diseases, eye care, and cystic fibrosis. In 2023, Humira began facing competition from a biosimilar developed by Amgen. Wikipedia