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What are the warning signs of head and neck cancer?

Patient discussing symptoms with healthcare professional

Noticing new symptoms in your head and neck area can be unsettling if you are unsure what’s causing them. While these symptoms are often linked to common, less serious conditions, understanding the signs of head and neck cancer can help you decide when to seek advice.

Head and neck cancer symptoms can differ depending on the area affected. Common warning signs include a persistent sore throat, mouth ulcers that do not heal, difficulty swallowing, changes to the voice such as hoarseness, and a lump in the neck. If you notice any changes that last for more than two weeks, it is important to seek medical advice.

Having your symptoms assessed early can provide reassurance and, where needed, ensure that any underlying cause is identified and managed as soon as possible. With early detection, head and neck cancer is often more straightforward to treat, with a wider range of treatment options available and a greater chance of success.

Read on for our helpful guide on the early signs of head and neck cancer to help you feel more informed and confident about any symptoms you or a loved one might be suffering.

If you are seeking private radiotherapy for head and neck cancer, please do not hesitate to get in touch with Proton International London. We offer private proton beam therapy, an advanced cancer treatment that targets cancer cells while minimising exposure to healthy tissue. Contact us to make a referral or for a second opinion.

Signs and symptoms of head and neck cancer – early stages

The early signs and symptoms of head and neck cancer are often subtle and may develop gradually. Being aware of ongoing or unusual changes is important to help ensure they are assessed promptly.

Common early signs and symptoms include:

  • A lump in the neck
  • Persistent hoarseness or changes to the voice
  • An ongoing sore throat
  • Mouth ulcers that do not heal

In some cases, these may be accompanied by:

  • Red or white patches in the mouth
  • Trouble swallowing
  • Unexplained weight loss

If these symptoms continue for more than two weeks or worsen over time, it is important to have them checked by a healthcare professional.

Lumps in the neck

A lump in the neck can often be caused by something non-serious, such as a temporary infection causing swollen glands (lymph nodes) or a benign cyst.

However, it’s also one of the more common early signs of head and neck cancer. This is often due to a swollen lymph node. If the lump is firm, painless, and does not reduce over time, or continues to grow, it should be checked by a specialist.

Persistent sore throat

Most sore throats settle within a week or so, and are often linked to a cold or a viral/bacterial infection. But if your throat continues to feel sore, scratchy, or uncomfortable for several weeks or does not have a clear cause, it is worth having it checked.

Difficulty swallowing

If you experience difficulty swallowing (dysphagia), a sensation that food is sticking in the throat, or discomfort when swallowing, you should have it checked if it is ongoing.

Losing weight

Losing weight without intending to can happen for various reasons, but when it is unexplained, particularly alongside other symptoms such as swallowing difficulties, it is important to seek medical advice.

Symptoms of developing head and neck cancer

As head and neck cancers develop, symptoms can become more persistent and noticeable. They can affect the mouth, throat, voice box (larynx), nose, sinuses, or salivary glands.

Be vigilant for the following:

  • White or red patches in your mouth that do not heal
  • A lump or swelling in your neck that persists or increases in size
  • Ongoing changes to your voice, such as hoarseness
  • Persistent pain in your ear, face, or teeth
  • Difficulty breathing through your nose or a feeling of obstruction in your nose or throat

As these symptoms overlap with the early signs and symptoms of head and neck cancer, you should consult your doctor if they persist.

Ear pain

While often caused by an ear infection, persistent ear pain, particularly on one side, can sometimes be linked to conditions affecting the throat. If it happens alongside symptoms such as difficulty swallowing or a long-standing sore throat, it is important to seek medical advice.

Changes in the mouth

Developing head and neck cancer can produce changes in the mouth.

If any of the following are persistent and overlap with other symptoms, you should seek advice:

  • ulcers that don’t heal
  • lumps or thickened areas in the oral cavity
  • red and white patches
  • discomfort, numbness, or bleeding in the mouth

Voice changes

A hoarse or altered voice that doesn’t get better, and/or difficulty swallowing, can indicate irritation or changes within the throat or voice box. You should have your symptoms assessed if they continue over time.

Nasal and sinus symptoms

Some symptoms may affect the nose and sinuses, although this is less common.

These can include:

  • persistent blocked nose (often on one side)
  • frequent nosebleeds, reduced sense of smell
  • a feeling of pressure that does not resolve with usual treatment

Dental changes

In some cases, people notice loose teeth or jaw discomfort without a clear dental cause. If this occurs, particularly alongside other symptoms, further assessment may be needed.

When should I see a doctor about symptoms?

If you experience any of the symptoms mentioned above for more than two to three weeks, it is important to seek medical advice. In many cases, symptoms will have a non-serious cause, but early assessment helps identify the underlying condition so it can be managed appropriately.

Early evaluation is an important part of cancer care. If something feels unusual or persists longer than expected, arranging an appointment with your GP or a specialist can provide clarity and reassurance.

How proton beam therapy may support your treatment

Proton beam therapy (PBT) is an advanced form of radiation therapy that may be recommended for certain head and neck cancers. It uses a highly targeted approach to deliver radiation directly to the tumour, helping to reduce exposure to surrounding healthy tissues such as the eyes, brain, and salivary glands.

For some patients, this can help to lower the risk of side effects, such as sore or dry mouth, changes in taste, difficulty swallowing, loss of appetite and fatigue, and maintain their quality of life.

Learn more in our guide to proton beam therapy for head and neck cancer.

To make a referral for private proton beam therapy (PBT) at our London treatment centre, please complete our online form, attaching the relevant medical documents.

If you have a question regarding PBT, please do not hesitate to call us on 0204 629 3598

Frequently asked questions – what are the warning signs of head and neck cancer?

Can one persistent, singular symptom be a sign of head and neck cancer, or is it a combination of symptoms?

Some people experience a combination of symptoms when they are diagnosed with head and neck cancer, while others may notice just one persistent change. A single symptom, such as a sore throat with no apparent cause, that does not get better after two to three weeks should be assessed by a healthcare professional.

Is it possible to get an early diagnosis of head and neck cancer?

Early diagnosis of head and neck cancer is possible and very beneficial. It can increase the number of treatment options available and make a meaningful difference to the treatment outcome. Your doctor will first assess your symptoms and may carry out further investigation, including imaging or a specialist examination.

What are the different types of head and neck cancer?

“Head and neck cancer” is a broad term that includes several types of cancer, including:

  • Oral cancer – affecting the mouth, lips, tongue, or gums
  • Throat cancer (pharyngeal cancer) – affecting the back of the throat, including the tonsils
  • Laryngeal cancer – affecting the voice box
  • Nasal and sinus cancer – affecting the nasal cavity or sinuses
  • Salivary gland cancer – affecting the glands that produce saliva
  • Oropharyngeal cancer – affecting the middle part of the throat, including the tonsils and base of the tongue

Each type is managed slightly differently, depending on its location and stage, with treatment tailored to the individual.

What are the risk factors for head and neck cancer?

As with other cancers, the risk of head and neck cancer increases with age. Other risk factors include:

  • Smoking and chewing tobacco
  • Alcohol consumption
  • Human papillomavirus (HPV) – although HPV is a very common virus that most people will come into contact with at some point in their lives, many people will never develop any health problems
  • Exposure to certain substances, including asbestos, wood dust, or chemicals such as nickel and chromium
  • Poor oral health and long-term dental issues

Having one or more risk factors does not mean you will develop cancer. But being aware of them can help you make the right call about seeking medical advice.

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