Treatment of Refractory Nausea and Vomiting in Patients With Breast Cancer

Inclusion Criteria:

* Have a diagnosis of breast cancer and be chemotherapy naive; NOTE: prior methotrexate for non-cancerous conditions is allowed
* Be scheduled to receive a single-day chemotherapy regimen that contains doxorubicin and/or cyclophosphamide and/or carboplatin. Single-day chemotherapy is defined as only one infusion or injection per cycle. Herceptin (trastuzumab) and other chemotherapy agents will be allowed with any of these regimens
* Be scheduled to receive an antiemetic regimen that does not contain Akynzeo; in addition, the antiemetic regimen must conform with American Society of Clinical Oncology (ASCO) Clinical Practice Guidelines at cycle 1
* Be able to read English
* Have the ability to give written informed consent
* Have Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1, or 2
* NOTE: patients 80 years of age or older must have approval from an oncologist or their designee to participate in this study
* NOTE: patients currently receiving warfarin must have approval from an oncologist or their designee to participate in this study
* Women of child-bearing potential must agree to use adequate contraception (hormonal or barrier method of birth control, or abstinence) for the duration of the study and have a negative pregnancy test within 10 days prior to the initiation of chemotherapy; should a woman become pregnant or suspect she is pregnant while participating in this study, she should inform her study physician immediately
* CYCLE II PORTION ONLY: Only participants with a nausea score \>= 3 at least once on the diary assessment from cycle 1 can be randomized for cycle 2
* CYCLE II PORTION ONLY: Participants must be scheduled to receive the same chemotherapy regimen as received at cycle 1

Exclusion Criteria:

* Have clinical evidence of current or impending bowel obstruction
* Have a known history of central nervous system disease (e.g., brain metastases or a seizure disorder)
* Have dementia
* Have uncontrolled diabetes mellitus or uncontrolled hyperglycemia
* Have severe hepatic impairment, severe renal impairment, or end-stage renal disease as determined by the treating physician
* Have had long term treatment (\> 5 days within the past 30 days) with an antipsychotic agent such as risperidone, quetiapine, clozapine, a phenothiazine, or a butyrophenone within 30 days before enrollment or plans for such treatment during the study period; NOTE: participants could have received prochlorperazine and other phenothiazines as antiemetic therapy on a short term basis (i.e., =\< 5 days)
* Have a known cardiac arrhythmia, uncontrolled congestive heart failure, or acute myocardial infarction within the previous 6 months
* Be taking benzodiazepines regularly (\> 5 days within the past 30 days); pro re nata (PRN) use (=\< 5 days) for the short-term relief of the symptoms of anxiety, anxiety associated with depressive symptoms, or as a rescue medication for breakthrough CINV is allowed
* Be taking anticholinergic medications
* Be receiving quinolone antibiotic therapy
* Be taking amifostine (Ethiofos)
* Have a known hypersensitivity to olanzapine or to phenothiazines
* CYCLE II PORTION ONLY: Must not have received Akynzeo at cycle 1
* CYCLE II PORTION ONLY: Must still meet all the exclusion criteria for cycle 1