Anyone who has had chemotherapy is also at an increased risk of an outbreak because the chemotherapy acts as an immunosuppressant. After chemo, an outbreak may not occur immediately but may occur up to three years after the treatment.Immune system strengthening should be a part of any after chemo treatment and should be discussed with the doctor. Also, to reduce the risk of an outbreak after chemo, be sure to get plenty of sleep, eat a healthy diet and manage your stress.The CDC does not recommend that those who have undergone chemotherapy, or any type of compromising immune treatment, receive the shingles vaccine.Next