Symptoms can have many causes, and a symptom alone does not confirm a diagnosis. A GP assessment provides a chance to describe what has changed, review relevant health information and decide what should happen next. Do not wait for a routine appointment when you have emergency symptoms.
Symptoms that merit a GP discussion
A change in your health can feel hard to judge. You do not need to decide whether a symptom is serious before asking for advice. Explain what you have noticed, when it began, how it has changed and how it affects you.
NICE NG12 helps clinicians identify symptoms that may need investigation or a specialist opinion. It also sets out safety-netting and diagnostic-process principles. The guideline supports clinical judgement alongside each person's circumstances, preferences and values.[1]
Symptoms that persist or recur
A symptom that does not settle, keeps returning or changes can merit a GP discussion, especially if it affects daily activities.
A clear change in your health
Changes such as unexplained weight loss, a new lump, bleeding, altered bowel or urinary habits, or a new persistent pain need clinical context.
Symptoms with other changes
Breathlessness, tiredness, reduced appetite, pain, fever or night sweats have many possible causes. The combination and time course matter.
A symptom that concerns you
You do not need to identify the cause before seeking advice. Explain what has changed and why it concerns you.
Bleeding, blood in urine and new lumps
Blood in urine needs prompt advice. NHS says to ask for an urgent GP appointment or get help from NHS 111 if you have blood in your urine, even if this is the first time, there is only a small amount, or you are not sure it is blood.[2]
NHS also stresses that these symptoms can have several causes and do not automatically mean cancer. A GP may ask about associated symptoms and may recommend an examination, a urine sample, blood tests or a referral, depending on the clinical picture.[2]
A new, changing or persistent lump, unexplained weight change, altered bowel habits, unusual bleeding or persistent pain also deserve a clinical discussion. The appropriate urgency and tests depend on the pattern of symptoms, rather than a fixed online checklist.
What happens at a GP assessment?
A GP assessment is not a standard test package. The clinician starts with the problem you have brought and builds a proportionate plan around it.
History
A clinician asks when the symptom started, how it has changed, what brings it on or eases it, and any associated symptoms.
Relevant information
Medicines, allergies, long-term conditions, family history, pregnancy possibility and previous tests can all be relevant.
Examination
The clinician may suggest a focused examination when it is appropriate. You can ask questions and discuss chaperone arrangements where relevant.
Next step
The next step may include self-care, a test, active monitoring, urgent assessment or a referral. It depends on the clinical picture.
Tests can help answer particular questions, but they do not replace a clinical assessment. A clinician should explain why a test may help, what its limits are and how the result could affect the next step.
If you have already had tests or imaging, bring the results or tell the clinician where they were done. This can help avoid unnecessary duplication and support a joined-up plan.
When to use NHS 111, A&E or 999
NHS 111 can direct you to the appropriate service when you need medical help now and are not sure where to go. It is not a routine booking route.[4]
NHS advises calling 999 for chest pain that feels tight or squeezing, chest pain spreading to the arms, neck or jaw, severe difficulty breathing, pale, blue or grey lips or skin, or an unresponsive person. Do not drive yourself to A&E.[3]
NHS advises calling 111 for sudden increased breathlessness, chest pain with nausea or vomiting, or chest pain with a racing, slow, skipping or fluttering heartbeat.[3]
Urgent symptoms come first
Call 999 for the emergency symptoms above. Use NHS 111 when you need medical help now and are unsure of the right service. Do not use a routine GP appointment booking as an urgent-care route.
Related information
These guides can help you prepare for a clinical conversation. They do not replace urgent assessment for new or worsening symptoms.
Prepare for an appointment
When did the symptom start, and how has it changed?
What makes it better or worse?
What other changes have you noticed?
Which medicines, supplements or treatments do you use?
Have you had an earlier test, scan or similar symptom?
What are you most concerned about, and what do you need to understand next?
Frequently asked questions
When should I see a GP about a symptom?
Arrange a GP assessment if a symptom persists, recurs, worsens or concerns you. Symptoms have many causes, and a clinician needs your history and, where appropriate, an examination to decide the next step.
Does a new symptom mean I have cancer?
No. Many symptoms are common and can have non-cancerous causes. NICE NG12 supports clinicians to recognise symptoms that may need investigation or referral; it does not mean that a symptom alone confirms a diagnosis.
What should I do about blood in urine?
NHS says to ask for an urgent GP appointment or get help from NHS 111 if you have blood in your urine, even if it is the first time, there is only a small amount, or you are unsure it is blood.
What happens at a GP appointment?
A clinician will ask about the symptom and your health history, and may suggest an examination, test, monitoring plan or referral where appropriate. The choice depends on the clinical question, not a standard list of tests.
Should I ask for a full blood-test panel?
A blood test can be useful for selected questions, but no universal panel suits every symptom. Discuss your symptoms first so a clinician can advise whether a test may help and how any result would be used.
When should I call 999?
NHS says to call 999 for chest pain that feels tight or squeezing, chest pain spreading to the arms, neck or jaw, severe difficulty breathing, pale, blue or grey lips or skin, or an unresponsive person. Do not drive yourself to A&E.
When should I use NHS 111?
Use NHS 111 when you need medical help now and are unsure of the right service. NHS gives examples including sudden increased breathlessness, chest pain with nausea or vomiting, or chest pain with a racing, slow, skipping or fluttering heartbeat.