Cherry, what are the doctors saying about the yellow stuff? It could be bile or it could be the chemo. It could dump to the stomach and kidneys. Either way, the doctors need to answer that question. Bile would cause nausea as well and chemo/rads will increase bile and make it much more uncomfortable when dehydrated. Many things you are pointing out are indicative of low hydration. Depending on the creatinine level, IV fluids are needed to protect the kidneys.

Don't be shy telling the doctors the nausea meds aren't effective. There are many choices and some work better than others, depending on the person.

SCC Stage IV, BOT, T2N2bM0
Cisplatin/5FU x 3, 40 days radiation
Diagnosis 07/21/03 tx completed 10/08/03
Post Radiation Lower Motor Neuron Syndrome 3/08.
Cervical Spinal Stenosis 01/11
Cervical Myelitis 09/12
Thoracic Paraplegia 10/12
Dysautonomia 11/12
Hospice care 09/12-01/13.
COPD 01/14
Intermittent CHF 6/15
Feeding tube NPO 03/16
VFI 12/2016
ORN 12/2017
Cardiac Event 06/2018
Bilateral VFI 01/2021
Thoracotomy Bilobectomy 01/2022
Bilateral VFI 05/2022
Total Laryngectomy 01/2023