Red flag symptoms

This page provides quick summaries of alert signs and symptoms that indicate a more serious underlying pathology. Look out for the red flag symptoms of back and neck pain, chest pain, headaches and other common presentations in primary care.

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Abnormal vaginal discharge - red flag symptoms

Fever in children - red flag symptoms

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Red flag symptoms: Abdominal pain

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Loss of appetite - red flag symptoms

Red flag symptoms: Breathlessness, investigations and when to refer

Red flag symptoms: Breathlessness, investigations and when to refer

Red flags to be aware of in patients presenting with breathlessness, possible causes...

Bone pain - red flag symptoms

Bone pain - red flag symptoms

How to identify red flags in patients presenting with bone pain, including conducting...

Neck pain - red flag symptoms
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Neck pain - red flag symptoms

The signs and symptoms of potentially serious pathology in patients presenting with...

Fever in adults - red flag symptoms
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Fever in adults - red flag symptoms

Fever in adults can have potentially serious causes, ranging from sepsis to malignancy....

Red flag symptoms: Diarrhoea, investigations and when to refer

Red flag symptoms: Diarrhoea, investigations and when to refer

Treatment depends on the patient's age and the timeline of events.

Red flag symptoms: Tired all the time
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Red flag symptoms: Tired all the time

Red flag symptoms, appropriate investigations in primary care, how to rule out serious...

Red flag symptoms: Arrhythmias

Red flag symptoms: Arrhythmias

An overview of the red flags in cases of arrhythmias, suitable primary care investigations...

Unintentional weight gain - red flag symptoms

Unintentional weight gain - red flag symptoms

Recognising red flags in cases of unintentional weight gain, with advice on questions...

Night sweats - red flag symptoms
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Night sweats - red flag symptoms

Possible causes of night sweats, including questions to ask during consultations...

Postcoital bleeding - red flag symptoms
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Postcoital bleeding - red flag symptoms

Postcoital bleeding may have a serious cause. Dr Pipin Singh explores questions to...

Red flag symptoms - Groin swelling
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Red flag symptoms - Groin swelling

Signs and symptoms of potentially serious pathology in patients presenting with groin...

Acute pelvic pain - red flag symptoms

Acute pelvic pain - red flag symptoms

An overview of the causes of pelvic pain in both men and women and indications for...

Red flag symptoms: Cervical lymphadenopathy
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Red flag symptoms: Cervical lymphadenopathy

History and examination will help to diagnose a potentially serious condition.

Tingling - red flag symptoms

Tingling - red flag symptoms

Red flag symptoms in patients with tingling, how a good history can help identify...

Facial pain - red flag symptoms

Facial pain - red flag symptoms

Red flag symptoms in facial pain and possible causes. With advice on key questions...

Chest pain - Red flag symptoms
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Chest pain - Red flag symptoms

Causes and management of chest pain in primary care and red flag symptoms that should...

Red flag symptoms: Diplopia
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Red flag symptoms: Diplopia

Red flag symptoms in presentations of double vision (diplopia), possible causes and...

Red flag symptoms: Heavy menstrual bleeding

Red flag symptoms: Heavy menstrual bleeding

Red flags associated with menorrhagia and when urgent referral is required.

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