The infusion day
Seeing the doctor before each cycle
Three things: whether your blood counts are safe to treat, whether your kidneys and liver are coping, and how the last cycle actually went. The first two come from the blood test. The third comes only from what you say, and it is the one most often left unsaid. This short review is the entire opportunity you get each cycle to have a side effect dealt with.
The short answer
What is the doctor actually checking before each cycle?
Three things: whether your blood counts are safe to treat, whether your kidneys and liver are coping, and how the last cycle actually went for you. The first two come from the blood test. The third comes only from what you say, and it is the one that most often goes unsaid.
This review is short, sometimes only a few minutes, and it is the entire opportunity you get each cycle to have a side effect dealt with. Treat it as the appointment it is rather than a formality between the blood test and the chair.
Why it matters more than people think
Almost every improvement across a course — better anti-sickness cover, something for a sore mouth, a laxative, a dose adjustment, a dietitian — starts here. Nothing gets changed that nobody has been told about.
Write your questions down before you go in. The review is shorter than you expect and anxiety wipes memory.Being heard
What to say, and how to say it
People consistently understate. Asked how the last cycle went, someone who spent four days unable to eat says "it was alright, doctor". That single habit is why plans go unchanged and cycles stay difficult.
Report in terms of effect, not feeling
Not "I felt tired" but "I could not climb the stairs, and I stopped going to work on the Tuesday". Not "my mouth was a bit sore" but "I could not eat solid food for three days". Effect on eating, drinking, sleeping and working is what teams act on.
The things worth mentioning every time
Which days were worst. Whether you vomited or only felt sick. Whether fluids stayed down. Your weight. Any fever, even one that settled. Bowels. Mouth. And whether you took every medicine exactly as prescribed.
Say it if you stopped a medicine
Because of cost, a side effect, or simply forgetting. Teams cannot fix a plan they believe you are following, and a surprising number of difficult cycles turn out to be medicines that were never taken.
Bring the person who was there at night
Patients minimise; attendants report. The relative who sat up with you will describe the week more accurately than you will, and a written note from home beats anyone's memory of three weeks ago.
If money is a problem, say so here. It is a medical issue, not a private one, and there are usually options.Not sure whether this applies to you?
Ask an oncologistWhat gets looked at
The checks behind the decision
Most of it is the blood test. The rest is you.
The white cell count
The main one deciding whether treatment goes ahead. If it has not recovered enough, the cycle is delayed, because giving chemotherapy into an already suppressed marrow risks serious infection.
Ask
- What were my counts today?
- When will they be lowest this cycle?
Platelets and haemoglobin
Platelets decide bleeding risk and can also delay a cycle. A low haemoglobin explains tiredness and breathlessness and may prompt a transfusion rather than a delay.
Kidney and liver function
Many drugs are cleared through one or the other, and a dose may be adjusted if either is struggling. This is a common and undramatic reason for a change you were not expecting.
Dehydration shows up here. It is one reason drinking properly protects your schedule.Your weight
Doses are calculated from body size, so significant weight change can alter them. It is also the clearest signal that eating has fallen away, which is why it is recorded every visit.
An examination, when needed
The mouth, the stomach, the chest, any lump being watched, and the port or line site. Brief, and usually prompted by something you have reported.
Your account of the last cycle
The only part of the review that cannot be measured, and the part that changes what happens next. Nothing here is on the screen unless you put it there.
A fever, breathlessness, chest pain, bleeding that will not stop, confusion, severe stomach pain, or being unable to keep fluids down all need an emergency department the same day they happen — not a mention at the next appointment. People arrive at a review describing a fever from last Tuesday, and that is a week too late. Go in when it happens and report it afterwards.
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If it does not go ahead
When the cycle is delayed
It happens to a great many people at some point in a course, most often because the white cells have not recovered. It is disappointing after a long morning of waiting, and it is a decision made to protect you rather than a setback in the treatment.
Ask what happens now
When to come back, whether you need a repeat blood test first, and whether anything is being given in the meantime. Get the new date in writing before you leave, and ask how it shifts your low-count window.
Ask why, and whether it can be prevented
If counts are repeatedly slow to recover, there may be something that can be added to help, or a dose adjustment that keeps the schedule steadier. That conversation only happens if you ask.
Do not treat a delay as lost ground
Short delays are a normal part of chemotherapy and are planned around. Use the extra days to eat properly and rebuild a little. Anxiety about the schedule is understandable and is worth raising directly rather than carrying home.
If a cycle is delayed for low counts, be extra careful about infection in the meantime. Your counts are low right now.Being straight with you
What this page cannot tell you
It cannot tell you what your counts need to be. Thresholds differ between regimens and between people, and they are weighed alongside how you are and what is planned next. Ask your own team what they are looking for in your case.
It also cannot tell you whether your cycle will go ahead. That is decided on the day, on results taken that morning, which is precisely why the dose cannot be prepared in advance and why the waiting is what it is.
What to do next
Write your questions and your account of the last cycle down before the next review — which days were worst, what you could not do, what you actually took. Take the person who was there at night. Ask what your counts were and when they will be lowest. And get any change explained and written down before you leave.
Questions we are asked
Common questions about the pre-cycle review
Why is the review so short?
Units see many patients on treatment days and most reviews are straightforward. The way to make it count is to arrive with your account written down — which days were worst, what you could not do, what you took. Specifics get acted on; "it was alright" does not.
Can I ask what my blood counts are?
Yes, and it is worth doing every cycle. Ask for the white cells, platelets and haemoglobin, write them on one sheet, and ask when the counts will be lowest. The trend across cycles tells you more than any single reading.
What if I forget to mention something?
Call the helpline rather than waiting three weeks for the next review. Plans are routinely adjusted between visits. This is also the argument for writing things down beforehand, because anxiety in the room reliably wipes memory.
Will reporting side effects get my treatment reduced?
The first response is usually better supportive care rather than less chemotherapy — stronger anti-sickness cover, something for the mouth, fluids. A dose change is made only where a cycle was severe, and it is a clinical decision to keep treatment deliverable.
Why was my cycle delayed?
Most often because the white cells have not recovered enough, sometimes platelets, sometimes kidney or liver results. It protects you rather than setting you back. Ask when to return, whether you need a repeat test, and how it shifts your low-count window.
Can I see a different doctor each time?
In many units you will, which is exactly why your file and your written account matter. Bring everything, including reports from elsewhere, and do not assume the person in front of you has read the detail of your last cycle.
Should my relative come in with me?
Yes, if the unit allows it. They will remember what was said, describe the difficult nights more accurately than you will, and ask the questions you forget. If attendants wait outside, ask whether they can join for the review specifically.
What should I write down before going?
Which days after the last cycle were worst, whether you vomited, whether fluids stayed down, your weight, any fever, how your mouth and bowels were, and whether you took every medicine as prescribed. Plus any question you want answered. One sheet.
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Sources
- Cancer Research UK — Having chemotherapy
- Macmillan Cancer Support — Having chemotherapy
- National Cancer Institute — Chemotherapy to Treat Cancer
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
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