What is chemotherapy? It is using a wide of range of drugs to kill the cancer cells. Often seen as a last resort for cancer treatment chemotherapy has its own share of side effects. The reason behind this is chemotherapy s ability to kill cells that quickly grow and divide. The damage done to the healthy cells of the patient undergoing chemotherapy leads to common side effects like hair loss fever diarrhoea fatigue anaemia constipation ulcers in the mouth nausea and vomiting pain infection and bleeding. Therefore it is imperative to know the side-effects which differ from patient to patient.