I am sorry to hear you have been feeling unwell. You may also wish to try posting on our Chemotherapy monthly threads board to allow more users to see your post.
We also have a page on Side effects that can be experienced as a result of Chemotherapy here.
In the meantime please do call our helpline at 0808 800 6000 who will be able to talk to you about he diarrhoea and sickness you are experiencing and offer a friendly ear.
The opening hours are below.
Monday-Friday, 9am-5pmLate opening Wednesday 9am-7pm,Saturday, 9am-1pm