Itís no wonder people have mixed feelings about chemotherapy. Chemotherapy drugs often offer the best chance for overcoming many different types of cancer. But those same drugs can have terribly unpleasant side effects for the person taking them.Although the side effects of chemotherapy can be intimidating, there are things patients can do to make the treatment they need easier to endure. Of all the side effects of chemotherapy, nausea and vomiting are among the most common. In most cases, they can be prevented. Scientists proved, that some people are more likely than others to suffer from nausea and vomiting after chemotherapy. Zofran was proved to have positive effect for people undergoing chemotherapy.