Be sure to let your doctor know if you have unexpected bruising, small red spots under the skin, reddish or pinkish urine, or black or bloody bowel movements. Also report any bleeding from your gums or nose. Your doctor will check your blood counts often during your treatments. Chemotherapy can cause nausea and vomiting by affecting the stomach, the area of the brain that controls vomiting, or both. This reaction to chemotherapy varies from person to person and drug to drug.
Some people never vomit or feel nauseous.
Nausea and vomiting almost always can be controlled or at least lessened by anti-nausea medication. Different drugs work for different people and it may be necessary to use more than on drug to get relief. Don't give up. Continue to work with your doctor and nurse to find the drug or drug combination that works best for you. Your doctor or nurse can tell you whether hair loss is likely to occur with the drug or drugs you are taking.