Radiation therapy - questions to ask your doctor

How many treatment sessions do I need?

Are there alternative treatment options?

Do I need someone to bring me in and pick me up after the radiation treatments?

What are the known side effects?

• How soon after starting my radiation will I experience side effects?
• What should I do if I experience these side effects?
• Are there any limitations on my activities during treatment?

What will my skin look like after radiation treatment? How should I take care of my skin?

• How should I take care of my skin during the course of treatment?
• What creams or lotions do you recommend? Do you have samples?
• When can I put creams or lotions on my skin?
• Will I have skin sores? How should I treat them?
• Can I remove the marks on my skin that the doctor or technician made?
• Will my skin hurt?

What daily activities do I have to limit?

Can I continue to work during treatment?

Can I go out in the sun?

• Should I use sunscreen?
• Do I need to stay indoors during cold weather?

Am I at risk for infections?

• Can I get my vaccinations?
• What foods should I not eat so that I do not get an infection?
• Is my water at home OK to drink? Are there places I should not drink the water?
• Can I go swimming?
• What should I do when I go to a restaurant?
• Can I be around pets?
• What immunizations do I need? Which immunizations should I stay away from?
• Is it OK to be in a crowd of people? Do I have to wear a mask?
• Can I have visitors over? Do they need to wear a mask?
• When should I wash my hands?
• When should I take my temperature at home?
• When should I call you?

Am I at risk of bleeding?

• Is it OK to shave?
• What should I do if I cut myself or start bleeding?

Are there any medicines I should not take?

• Are there any other medicines I should keep on hand?
• Are there any vitamins and supplements I should or should not take?
• What over-the-counter (OTC) medicines am I allowed to take?

Do I need to use birth control?

What if I think I may be pregnant?

Will I be sick to my stomach or have loose stools or diarrhea?

• How long after I start radiation treatment might these problems start?
• What can I do if I am sick to my stomach or have diarrhea often?
• What should I be eating to keep my weight and strength up?
• Are there any foods I should avoid?
• Am I allowed to drink alcohol?

Will my hair fall out? Is there anything I can do about it?

Will I have problems thinking or remembering things? Can I do anything that might help?

How should I take care of my mouth and lips?

• How can I prevent mouth sores?
• How often should I brush my teeth? What type of toothpaste should I use?
• What can I do about dry mouth?
• What should I do if I have a mouth sore?

What can I do about my fatigue?

When should I call the provider?

What to ask your doctor about radiation therapy; Radiotherapy - ask your doctor

National Cancer Institute website. Radiation therapy and you: support for people with cancer. www.cancer.gov/publications/patient-education/radiation-therapy-and-you.pdf. Updated April 2021. Accessed December 27, 2022.

Zeman EM, Schreiber EC, Tepper JE. Basics of radiation therapy. In: Niederhuber JE, Armitage JO, Kastan MB, Doroshow JH, Tepper JE, eds. Abeloff's Clinical Oncology. 6th ed. Philadelphia, PA: Elsevier; 2020:chap 27.

Updated by: David Herold, MD, Radiation Oncologist in Jupiter, FL. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.