Help Rexy Battle Immune Mediated Hemolytic Anemia

HELP for Rexy! Rexy is diagnosed: Immune Mediated Hemolytic Anemia (IMHA) in dogs!It all started suddenly after a tick bite or a vaccine and this disease was unlocked! He had to be hospitalized for 3 days, during which he received 4 blood transfusions! Now he is at home and his treatment continues... I am not working because I take care of my mother(87) .. so far the bill is $10500 but his treatment continues!