Mouth sores during cancer treatment raise a fair question: who should look at them first? We help you decide between dental review, your oncology team, or both, and plan care accordingly.
An ulcer appears on the inside of your cheek. Your gums look redder than usual. Maybe a tooth has started to throb as well. With a sore mouth during treatment, the hardest part is often knowing whose phone to ring, and the answer depends on the symptom, how you feel overall and what your treating team has told you to watch for.
We will always want the medical background before deciding anything. Which therapy you are receiving, how far through it you are, your medicines and any guidance from oncology all affect the best next step. Something a dentist might have treated without hesitation before your diagnosis may now need coordination, different timing or a different setting altogether.
Call with the change rather than a conclusion. Tell us what you see or feel, when it started, and whether eating, drinking and cleaning are affected. We can explain what information would help and where the problem is best assessed. Many sores belong first with your oncology team or a hospital dental service, and we will tell you when that applies.
Report how a symptom is affecting you, not only where it is. Note its effect on eating, sleep, talking and cleaning, and share any instructions your cancer care team has already given.
Ulcers, redness, a raw feeling or a dry, sticky mouth should go to your oncology team first, and often to us as well. Several causes are possible, so avoid labelling them normal. Mention whether they are spreading or making it hard to take fluids.
A painful tooth, a broken filling or a denture that has started to dig in usually points toward dental assessment, even during treatment. Call before attending so timing and medical details can be checked. Do not try home repairs or adjust the appliance yourself.
When fatigue, nausea, tenderness or a stiff jaw make brushing hard, either team can help. Tell us what you can comfortably manage. A modest routine suited to how you feel is better than stopping or pushing through soreness.
Fever, feeling suddenly unwell, or difficulty drinking goes straight to your oncology team's urgent line. A dental booking request is not the right route for those symptoms.
When the dental and oncology teams are coordinated, care fits your situation instead of a general rule. One visit may be about assessment and comfort; another problem may need treatment or a specialist opinion. Having cancer does not decide that on its own, and even an apparently minor procedure depends on medical context.
Coordination also makes responsibility clear. If symptoms change, you should know whether to call us, your oncology nurse or another service. Getting that in writing, along with a follow-up arranged in advance, reduces the effort of remembering who said what.
Give us the names of your treating teams and permission to share relevant details. Knowing what each has already assessed helps avoid conflicting messages and decides whether the next look should be dental, medical, or joint.
If the main goal is to eat without stinging or to sleep without a sore cheek waking you, say so. Those priorities are weighed alongside examination findings. Ask what can be eased now and what needs more information.
Symptoms and treatment schedules shift. Your dental plan should be updated when relevant circumstances change, not treated as a permanent clearance. Let us know if fresh instructions or a new therapy affect an appointment.
Please bring your current medication list, oncology contact details and recent advice about mouth care. If you are unsure of a treatment name or date, let us know where that information can be found.
We start by hearing about the symptom, your current cancer treatment and why you have come. Mention any head and neck radiation and medicines affecting bone or healing, and tell us if your oncology team has asked for a specific check.
Some procedures depend on medical advice or recent blood results. No single day suits every patient. Questions about infection, bleeding and healing should be answered between teams before anything invasive takes place.
We look at the soft tissues, teeth, gums and any appliance, trying to identify the cause and whether further tests would help. Tell us if an area is too painful to touch, or if you need to stop for a moment.
The answer may be dental treatment, preventive support, referral back to your oncology team or a specialist. Ask what the plan is meant to achieve and when it will be reviewed. Confirm who to call if the sore gets worse.
Follow advice that suits your treatment and what was found. If soreness or bleeding makes it hard, ask for adjustments instead of forcing it or trying an unfamiliar remedy.
A soft brush and careful technique often help, but advice should fit your mouth and medical status. If bleeding risk is different now, ask your treating team about flossing. People going through cancer care do not all face the same limits.
Check whether a toothpaste, rinse or soothing gel is suitable before using it, and follow any prescription. Report stinging. Stronger tasting does not mean more effective, and home-mixed rinses should not replace your team's advice.
Tell your oncology team when pain, ulcers or swallowing trouble reduce how much you eat or drink. Dental advice may be part of the response. Keep a note of when the sore appeared and what you have used.
Patient information: National Cancer Institute — mouth and throat symptoms during treatment
Tell us about any new symptom and treatment changes when you get in touch. These answers describe the conversation; specific advice comes from assessment and the relevant medical input.
Phone our Bronte Street practice with a short description of the symptom and the treatment you are having. We will explain what we need to assess it and which care pathway makes sense. Keep your oncology team's urgent number with you.
For fever or sudden illness, contact your oncology team's urgent pathway. Our online booking requests are not for urgent concerns.
