Are the side effects of Upadacitinib serious?

The most common serious adverse reaction of Upadacitinib (Upadacitinib) is serious infection. Common side effects include upper respiratory tract infection (common cold, sinus infection), herpes zoster (cold sore), bronchitis, Nausea, cough, fever, acne, headache, elevated creatine phosphokinase blood levels, allergic reactions, inflammation of hair follicles, stomach pain, weight gain, fatigue, reduced white blood cell count, muscle pain, influenza-like illness, rash, elevated cholesterol levels, elevated liver enzyme levels, pneumonia, anemia. In people with atopic dermatitis who are treated with upadacitinib, the lining at the back of the eye separates or tears (retinal detachment).