Final answer:
CMV esophagitis is treated with antiviral drugs like ganciclovir, valganciclovir, foscarnet, and cidofovir.
Step-by-step explanation:
CMV esophagitis is treated with antiviral drugs, such as ganciclovir, valganciclovir, foscarnet, and cidofovir, which are the first-line drugs for serious CMV infections. These medications inhibit viral DNA replication and can help control the infection.