Chemotherapy for mouth and oropharyngeal cancer

Chemotherapy uses anti cancer (cytotoxic) drugs to destroy cancer cells. The drugs circulate throughout the body in the bloodstream.

Common chemotherapy drugs for mouth and oropharyngeal cancer are cisplatin and fluorouracil (5FU).

When you have it

You usually have chemotherapy with radiotherapy (chemoradiotherapy) for mouth and oropharyngeal cancer. Chemotherapy can help the radiotherapy work better.

You might have chemotherapy together with radiotherapy (chemoradiotherapy):

  • after surgery to lower the risk of cancer coming back in the future. This is called adjuvant treatment
  • before surgery to reduce the size of the cancer
  • instead of surgery if the cancer cannot be removed by surgery

You might have chemotherapy on its own or with radiotherapy if the cancer has: 

  • come back after treatment
  • spread to other parts of the body 

It can relieve symptoms and may shrink the cancer or slow its growth.

Chemotherapy might be given with targeted or immunotherapy drug treatments for cancers that have spread to other parts of the body.

Chemotherapy as part of a clinical trial 

Your doctor or nurse may ask you to take part in a clinical trial to test chemotherapy with other treatments. This is because it is important for doctors to find out which treatments work best. They aim to get the best results with the fewest side effects. 

Types of chemotherapy

You may have one drug or a combination of drugs to treat mouth and oropharyngeal cancer. The most common types of chemotherapy drugs are:

  • cisplatin 
  • fluorouracil (5FU) 
  • carboplatin
  • docetaxel (Taxotere)
  • methotrexate 

Check the name of the chemotherapy treatment with your doctor or nurse, then find out about it on our A to Z list of cancer drugs.

How you have chemotherapy

Most of the chemotherapy drugs you have for mouth and oropharyngeal cancer are given into your bloodstream (intravenously). Methotrexate can be given in different ways.

You usually have chemotherapy every 3 to 4 weeks. Each treatment is called a cycle. Open a glossary item

Into your bloodstream

You have treatment through a thin short tube (a cannula) that goes into a vein in your arm each time you have treatment.

Or you might have treatment through a long line: a central line, a PICC line or a portacath. These are long plastic tubes that give the drug into a large vein in your chest. The tube stays in place throughout the course of treatment.

Where you have chemotherapy

You usually have treatment into your bloodstream at the cancer day clinic. You might sit in a chair for a few hours so it’s a good idea to take things in to do. For example, newspapers, books or electronic devices can all help to pass the time. You can usually bring a friend or family member with you.

You have some types of chemotherapy over several days. You might be able to have some drugs through a small portable pump that you take home.

For some types of chemotherapy you have to stay in a hospital ward. This could be overnight or for a couple of days.

Some hospitals may give certain chemotherapy treatments to you at home. Your doctor or nurse can tell you more about this.

Before you start chemotherapy

You need to have blood tests to make sure it’s safe to start treatment. You usually have these a few days before or on the day you start treatment. You have blood tests before each round or cycle of treatment.

The pharmacists make chemotherapy for each person individually. They do this once your blood test results have come through and it’s worked out based on your weight, height and general health.

Side effects

The side effects you have may be different from the list below if you have chemotherapy with radiotherapy. 

Common chemotherapy side effects include:

  • feeling sick
  • loss of appetite
  • losing weight
  • feeling very tired
  • increased risk of getting an infection
  • bleeding and bruising easily
  • diarrhoea or constipation
  • hair loss
Contact your doctor or nurse immediately if you have signs of infection. These include a temperature above 37.5C or below 36C, or generally feeling unwell. Infections can make you very unwell very quickly.

Side effects depend on:

  • which drugs you have
  • how much of each drug you have
  • how you react

Tell your treatment team about any side effects that you have.

Most side effects only last for a few days or so. Your treatment team can help to manage any side effects that you have.

If you have cisplatin as part of your chemotherapy course you might have some hearing loss. Especially with high pitched sounds. Or you might also have some ringing in your ears (tinnitus). Let your doctor or specialist nurse know if this happens to you.

When you have chemoradiotherapy the side effects are the same as those for radiotherapy or chemotherapy alone. But they can be more severe.

DPD deficiency

Between 2 and 8 out of 100 people (2 to 8%) have low levels of an enzyme called dihydropyrimidine dehydrogenase (DPD) in their bodies. A lack of DPD can mean you’re more likely to have severe side effects from capecitabine or fluorouracil. It might take you a bit longer to recover from the chemotherapy. These side effects can rarely be life threatening.

Before starting treatment with capecitabine or fluorouracil you have a blood test to check levels of DPD. So you may start treatment with a lower amount (dose) of the drug or have a different treatment. Your doctor or nurse will talk to you about this.

Dietary or herbal supplements and chemotherapy

Let your doctors know if you:

  • take any supplements
  • have been prescribed anything by alternative or complementary therapy practitioners

It’s unclear how some nutritional or herbal supplements might interact with chemotherapy. Some could be harmful.

When you go home

Chemotherapy for mouth and oropharyngeal cancer can be difficult to cope with. Tell your doctor or nurse about any problems or side effects that you have. The nurse will give you telephone numbers to call if you have any problems at home.

  • Oropharyngeal cancer: United Kingdom National Multidisciplinary Guidelines

    H Mehanna and others 

    The Journal of Laryngology and Otology 2016. Volume 130, Pages S90–S96.

  • Squamous cell carcinoma of the oral cavity, larynx, oropharynx and hypopharynx: EHNS- ESMO-ESTRO Clinical Practice Guidelines for diagnosis, treatment and follow-up

    J P Machiels and others

    Annals of Oncology, 2020. Volume 31, Issue 11, Pages 1462-1475

  • Oral cavity and lip cancer: United Kingdom National Multidisciplinary Guidelines

    C Kerawala and others 

    The Journal of Laryngology and Otology, 2016. Volume 130, Pages S83–S89

  • Definitive chemoradiation for locally-advanced oral cavity cancer: A 20-year experience

    C Foster and others

    Oral Oncology, 2018,  Volume 80, Pages 16-22

Last reviewed: 
14 Jun 2022
Next review due: 
14 Jun 2025

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