Ruxolitinib is a prescription medication used to treat certain kinds of myelofibrosis, a condition that causes scar tissue to replace bone marrow. This leads to decreased blood cell production. Ruxolitinib is also used to treat patients with polycythemia vera.
Ruxolitinib belongs to a group of drugs called kinase inhibitors. Ruxolitinib treat certain kinds of myelofibrosis by helping prevent scar tissue from forming in the bone marrow.
Ruxolitinib treats polycythemia vera by inhibiting certain enzymes involved in regulating blood and how your immune system works.