i have been having diarrheo, nausea, left side stomach pain, severe head ache and neck pain for the past few weeks. i am also breast cancer patient , suffering from last year, i got it operated 5 months back and having my treatments like chemotherapy and radiation therapy since then.
hi, your major complaints in question currently are diarrhoea and nausea in a background of chemotherapy for breast cancer and with a history of operative procedures in past.I presume that there is no fever complaint.Therefore, it appears that the diarrhoea and nausea is a side effects of the  ongoing chemo. Symptomatic treatment with antiemetic and anti peristalstic medications will help.