Clinical safety
Use your own team’s instructions first
Use the contact number and urgent-care advice your team gave you for new or worsening symptoms. If you are having systemic anti-cancer treatment, use the 24-hour number on your treatment alert card. Call 999 for a life-threatening emergency.
Build a regimen card you can actually use
Chemotherapy is a category, not one medicine or one timetable. Your safety plan must name your drugs, cycle, support medicines and 24-hour contact route.
Put this on one treatment card
Keep it accessible to you and anyone who may call on your behalf.
- Drug names, route, treatment aim and the planned number or pattern of cycles.
- Dates for blood tests, review, treatment and any injections or tablets taken at home.
- The 24-hour treatment number and the exact instructions your unit gave for using it.
- The temperature threshold or other triggers given by your own unit, left blank until they provide them.
- Names and timing of prescribed anti-sickness or other support medicines.
- What to do if an oral dose is missed, vomited, damaged or accidentally repeated.
- All other prescribed, bought, herbal and complementary products the team has checked.
Before the first cycle
Ask what is common, what is important and what the team can help prevent.
- Which side effects are most likely with this exact regimen and when do they often appear?
- Which changes mean call immediately, even at night or with a normal temperature?
- Who reviews blood results and how will I know treatment is going ahead?
- Are there work, fertility, contraception, infection, food, travel or handling precautions specific to these drugs?
- How will the team decide whether the treatment is helping?
A safer urgent call
Lead with the fact that you are receiving chemotherapy.
“I am receiving chemotherapy and my last treatment was on Tuesday. My unit told me to call for new symptoms. Since 4pm I have had shaking, diarrhoea and feel much weaker than usual.”
Make each chemotherapy cycle safer and more predictable
Chemotherapy is a broad name for medicines that damage or stop rapidly dividing cancer cells. The drug combination, route, cycle and safety plan are individual, so the treatment record from your own unit is the most useful reference.
Treatment may be given into a vein, by injection or as tablets or capsules at home. A cycle includes both treatment and recovery time, and doses can change after blood results, side effects or changes in health. A delay or reduction is not automatically a treatment failure. It can be a planned way to make further treatment safer while preserving its intended benefit.
Before the first cycle, identify the 24-hour oncology number and save it in more than one place. Ask the unit which symptoms require an immediate call and which temperature rule applies to you. Infection can become serious quickly when white blood cells are low, but a person can also be seriously unwell without a high temperature. Do not wait for the next appointment when the unit has told you to call.
Side-effect notes are most useful when they show timing and impact. Record when symptoms begin, what helps, and whether you can drink, take medicines and manage normal tasks. This supports decisions about symptom control and future treatment. Do not add supplements or change prescribed doses without checking.
A practical way through it
Use the parts that fit your situation and leave the rest.
- Build a cycle sheetRecord drug names, treatment dates, blood-test dates, supportive medicines and the dates when the unit expects particular effects, while remembering symptoms can occur outside that pattern.
- Save the urgent routeKeep the 24-hour oncology number in your phone, on paper at home and with anyone likely to support you. Know which hospital the team wants you to attend.
- Follow home medicines exactlyUse a written timetable for anti-sickness drugs, steroids or oral chemotherapy, and contact the unit about a missed dose or vomiting rather than repeating it yourself.
- Track function as well as symptomsNote fluid intake, urine, meals, walking, sleep and ability to take medicines, because reduced function can make a symptom more important.
- Protect treatment handlingFollow the pharmacy instructions for storage, handling, return and disposal of oral medicines. Keep them away from children, pets and anybody for whom they were not prescribed.
- Review before the next cycleTell the team about every significant side effect before treatment starts, even if it has improved, so blood results and symptoms can be considered together.
What this can look like
When illness starts between cycles
Lee feels shivery and unusually weak late in the evening. The temperature is not above the threshold remembered from a leaflet, so Lee considers waiting until morning.
A useful response
Use the 24-hour number immediately and describe the symptoms, temperature and treatment date.
Follow the oncology team's destination and transport advice rather than attending a routine appointment later.
Take the treatment alert card and current medicine list if assessment is requested.
What chemotherapy is for
- It may be used alone or alongside surgery, radiotherapy or other medicines.
- Ask the team to explain the intended benefit in your situation.
How treatment is organised
- Treatment is often planned in cycles with assessment and blood tests between treatments.
- Oral chemotherapy must be taken exactly as prescribed and never doubled or changed without advice.
Staying safe
- Keep the 24-hour number accessible and follow the unit’s infection and temperature instructions.
- Report side effects early because supportive treatment or clinical review may be needed.
A manageable next step
What you could do now
- Save the 24-hour treatment number in your phone.
- Ask what to do about a missed or vomited dose.
- Keep your treatment alert information with you.
Checked sources
Read the original guidance
We summarise carefully and link to the source so you can check the full, most current information. Sources were checked 9 September 2026.