Baricax 4mg Tablet is used in combination with Remdesivir for the treatment of coronavirus disease (COVID-19) in hospitalized adults. Baricax 4mg Tablet works by blocking the action of Janus kinase (JAK1 and JAK2) enzymes. These enzymes are involved in sending signals that trigger immune responses and inflammation. By inhibiting these enzymes, the medicine helps reduce overactive immune responses and inflammation.