Medical Conditions

Unexplained weight loss or gain

Private GP assessment for unexpected changes in body weight.

Unexpected weight loss or gain without changes in diet or activity can be concerning and may indicate an underlying medical or hormonal issue.

A private GP assessment helps identify possible causes, assess risk, and guide appropriate next steps.
Face-to-face GP consultations provide prompt clinical evaluation, clear guidance, and onward investigation or referral if required. No referral needed.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

What is unexplained weight loss or gain?

Unexplained weight loss or gain refers to a noticeable change in body weight that occurs without intentional changes to eating habits, physical activity, or lifestyle.

Such changes can develop gradually or suddenly and may be linked to metabolic, hormonal, digestive, psychological, or systemic conditions. Medical assessment is often recommended when weight changes are unexpected or persistent.

Why unexplained weight changes should be medically assessed?

Unexpected changes in weight can have multiple causes that are not always obvious without clinical review.

 

A GP assessment helps to:

  • Identify potential medical or hormonal contributors

  • Assess the significance and pattern of weight change

  • Exclude serious or underlying conditions

  • Decide whether investigations or monitoring are needed

  • Provide reassurance and a clear plan

Early assessment can prevent delayed diagnosis and ongoing uncertainty.

Why see a private GP for unexplained weight loss or gain?

A private GP appointment allows timely, face-to-face assessment without NHS waiting times.

 

Seeing a private GP provides:

  • Time to discuss symptoms and lifestyle factors in detail

  • Review of medical history, medications, and family history

  • Assessment of associated symptoms such as fatigue or appetite change

  • Clear explanation of findings and next steps

This ensures weight changes are assessed safely and thoroughly.

What happens during your GP appointment?

Your consultation focuses on understanding weight changes in the context of your overall health.

During your appointment, your GP may:

  • Review the extent and timing of weight change

  • Discuss appetite, diet, and activity levels

  • Assess associated symptoms and general health

  • Consider whether blood tests, monitoring, or referral are required

  • Provide guidance on next steps and follow-up

Where appropriate, your GP can arrange further investigations or ongoing care.

When to book a GP appointment for weight changes?

You should consider booking a private GP appointment if weight changes:

  • Occur without clear explanation

  • Are rapid or ongoing

  • Are associated with fatigue, appetite changes, or low mood

  • Affect overall health or wellbeing

  • Cause concern or uncertainty

Medical assessment helps clarify the cause and guide appropriate care.c

Book a private GP appointment

If you are experiencing unexplained weight loss or gain and want clarity, a private GP appointment provides fast access to expert medical advice.

Appointments are available in Central London and St Albans.
No referral required.

Book your GP appointment online or contact our team for advice.

Book Online using the calendar below

If you are unable to make a payment online, please call our office to book your appointment tel: 020 7101 3377. We’re here to assist you 7 days a week, 9am - 7pm.
*Please select time to proceed with the booking*

Health checks for ongoing or unexplained symptoms

For patients with unexplained weight changes, a health check may be recommended as part of a broader assessment.

Health checks can help to:

  • Assess overall health and risk factors

  • Identify metabolic or hormonal contributors

  • Provide reassurance where results are normal

  • Support preventative and long-term health planning

Your GP will advise whether a health check is appropriate and which assessments are most relevant.

Not sure where to start?

If you are unsure whether you need a GP appointment or a health check, start with a private GP consultation. Your doctor will guide you on the most appropriate next step.

Common symptoms assessed during a private GP appointment

Many symptoms do not immediately point to a single diagnosis.

A private GP appointment allows a doctor to assess your symptoms, medical history, and overall health, then decide whether further investigation, monitoring, or referral is needed.

This page highlights common symptoms and conditions frequently assessed during a private GP consultation.

If you are unsure what is causing your symptoms, booking a GP appointment is the most appropriate first step.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Persistent fatigue

Ongoing tiredness that does not improve with rest.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Unexplained weight loss or gain

Unexpected changes in weight without lifestyle changes.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Fever or night sweats

Recurrent or unexplained fever or night-time sweating.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Dizziness or fainting

Light-headedness, dizziness, or fainting episodes.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Generalised pain or discomfort

Widespread or persistent pain without a clear cause.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Chest infection

Infection affecting the lungs or airways, often causing cough, breathlessness, chest discomfort, and fever.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Colds and coughs

Common viral infections causing runny nose, sore throat, coughing, and general malaise.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Cough

A persistent or recurrent cough that may be dry or productive and vary in severity.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Asthma

A long-term condition causing wheezing, shortness of breath, chest tightness, and coughing.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Sore throat

Pain or irritation in the throat, often worse when swallowing.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Back pain

Pain or stiffness affecting the upper or lower back, ranging from mild to severe.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Joint pain

Discomfort, stiffness, or swelling in one or more joints affecting movement.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Eye infections

Redness, irritation, discharge, or discomfort affecting one or both eyes.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Ear infections

Ear pain, pressure, hearing changes, or discharge from the ear.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Eye test

Assessment of vision, eye health, and visual symptoms.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Hearing test

Evaluation of hearing levels and auditory function.

Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

Acute rashes

Sudden changes in the skin such as redness, itching, swelling, or spots.

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Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound
Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound
Unexplained weight loss or gain. Private GP Assessment | Private Ultrasound Scans and Health Checks | London Private Ultrasound

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