Upanib 15 mg (Upadacitinib) is a selective JAK inhibitor used to treat rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, and ulcerative colitis. It helps reduce inflammation and relieve symptoms. Common side effects include infections, nausea, headache, and elevated cholesterol levels. https://www.jkmedicine.com/product/details/114