Cavalor has reinvented its solution for fighting mud fever! More than 10 essential oils work together to relieve pain and to disinfect and heal the sores. Cavalor MudDoc is a fast-acting and unique combination of various essential oils including Aloe vera, lavender, eucalyptus, and tea tree oils.Cavalor MudDoc is a versatile way to treat mud fever. Its antiseptic properties make the pastern an unpleasant environment for the bacteria that cause mud fever, while its wound-healing and pain-relievin..