IRCT2015010520559N1 IRCT 2015-06-03 Vice chancellor for research, Mashhad University Of Medical Science Education of self care behaviors in patients undergoing radiotherapy Comparison the effect of using multimedia and pamphlet on anxiety, side effects and self care behaviors of patients undergoing radiotherapy 2015-05-05 anticipated 66 Complete https://irct.ir/trial/18211 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Supportive. N/A head and neck cancers. Intervention 1: After a one individual session for the 20 minutes about radiotherapy, local and systematic side effects, the 20 minutes Multimedia will be delivered to the patients or transfer to their mobiles as they want. The patients will be asked to use it before the first session of treatment. This file contents several parts. The first part contents general information about disease and treatments. The second part contents information about radiotherapy and treatment environment. The third part contents information about possible side effects (sleep disorders, loss of appetite, fatigue and mouth dryness), management of these side effects and necessary cares for them. Final part contents an exam with 5 questions about delivered subjects that after specified time for answering ,the responses will be displayed. Most of the designed file containing sounds and images and in some parts texts is used. Intervention 2: In pamphlet group after individual training session, three pamphlets that have same content with multimedia include general information about radiotherapy and treatment environment, possible side effects (such as sleep disorders, loss of appetite, fatigue and mouth dryness), management of these side effects and necessary cares for them will be delivered to the patients and asked them to read the pamphlets before the first session of treatment.