Medically Reviewed

Thyroid Function

Symptoms, Causes & Treatment

Thyroid function testing to assess for hypothyroidism and hyperthyroidism with clinician-reviewed results.

Book My Consultation
Learn More
Licensed UK clinicians
Same-day prescriptions, where clinically appropriate
Delivered to your door within 24 hours
What our patients say
4.7 out of 5
Easy and efficient! … I am on the mend and so glad this service exists.
Pete Garvey
Excellent. Started to feel unwell and needed to see Dr before going on holiday. Couldn't get' GP appointment in time. I was 'seen' within 30mins of signing up. Just picked up a prescription. Very impressed with the Dr Victoria White.
Iann de Courcy
Fantastic service received from the gp service. Easy to book consultation… Would definitely use again :- )
Jay
Fantastic service. Easy to sign up and instructions were very clear. My doctor, Dr Shakil David Alam was amazing; listened to my issues, gave me in depth advice and really helped me out. Would definitely reuse - the speed of the service was impressive. Thank you Dr Shakil.
Babac Pashazadeh
I'm not someone who posts reviews regularly, but I have to say the process was super smooth. Booked a same day appointment with a clearly experienced and friendly doctor…
Yardie Grandmaster
Excellent service - quick, professional, and really convenient. The doctors are thorough and the whole process is smooth from start to finish. Highly recommend.
Mohammad Hassan
What our patients say
4.7 out of 5
Easy and efficient! … I am on the mend and so glad this service exists.
Pete Garvey
Excellent. Started to feel unwell and needed to see Dr before going on holiday. Couldn't get' GP appointment in time. I was 'seen' within 30mins of signing up. Just picked up a prescription. Very impressed with the Dr Victoria White.
Iann de Courcy
Fantastic service received from the gp service. Easy to book consultation… Would definitely use again :- )
Jay
Fantastic service. Easy to sign up and instructions were very clear. My doctor, Dr Shakil David Alam was amazing; listened to my issues, gave me in depth advice and really helped me out. Would definitely reuse - the speed of the service was impressive. Thank you Dr Shakil.
Babac Pashazadeh
I'm not someone who posts reviews regularly, but I have to say the process was super smooth. Booked a same day appointment with a clearly experienced and friendly doctor…
Yardie Grandmaster
Excellent service - quick, professional, and really convenient. The doctors are thorough and the whole process is smooth from start to finish. Highly recommend.
Mohammad Hassan
Overview

What Is a Thyroid Function Test?

A thyroid function panel measures TSH, Free T4, and Free T3 to assess how well the thyroid gland is working. Used to diagnose hypothyroidism, hyperthyroidism, and to monitor treatment.

Symptoms

What Does a Thyroid Function Test Check?

The panel assesses TSH, Free T4, and Free T3 to identify underactive or overactive thyroid conditions.

No items found.
Symptoms That Warrant Thyroid Testing

Fatigue, weight changes, feeling too hot or cold, hair loss, palpitations, or mood changes may indicate a thyroid disorder.

Causes & Risk Factors

Why Test Thyroid Function?

Thyroid disorders are common and often present with non-specific symptoms. Testing identifies whether a thyroid condition is contributing to your symptoms.

No items found.

Key Risk Factors

No items found.
Diagnosis

How Are Thyroid Results Interpreted?

A licensed clinician will review your results and recommend treatment or further investigation where appropriate.

Test
What It Detects
When Used
No items found.
Treatment Options

What Happens After Thyroid Testing?

Abnormal results are followed up with treatment recommendations and prescription of thyroid medication where needed.

Antibiotic
Typical Use
Standard Course
No items found.

Supportive Measures

Consistent medication adherence and regular monitoring are key to maintaining good thyroid health.

Monitoring Thyroid Function

Patients on thyroid medication require regular TSH monitoring to ensure correct dosing.

When to Seek Help

When Should You Test Your Thyroid Function?

Seek Urgent Help If:

Thyroid storm with fever, rapid heart rate, and confusion requires emergency hospital care.

Order Your Thyroid Function Test Today

If you have symptoms of a thyroid disorder or are monitoring thyroid treatment, order your test today.

Prevention

Maintaining Thyroid Health

Adequate iodine intake and regular monitoring support healthy thyroid function.

No items found.
Getting Treatment

Order Your Thyroid Function Test Today

At-home thyroid testing with clinician-reviewed results and personalised treatment recommendations.

Woman sitting on a couch using a mobile app with a calendar and timer interface on the screen.
1
Book Your Appointment
Book to see a consultant online the same day, at a time that suits you.
Open 365 days a year, 8am - 5pm
Same-day appointments available
Smiling male doctor wearing a white coat and stethoscope holding a tablet in a hospital corridor.
2
See a Consultant
Speak to one of our licensed medical professionals from anywhere - using a phone, computer, or tablet.
Request prescriptions
Request Fit Notes
Request Referral Letters
Pharmacist wearing a white coat smiling and explaining medication to a female customer in a pharmacy.
3
Book a Consultation
Within minutes of your consultation, receive prescriptions, fit notes, or referral letters where clinically appropriate.
Collect prescriptions within an hour of issue
Pick up from ANY pharmacy
Shared with your medical records & NHS GP

Expert clinical advice, when you need it.

See a licensed clinician online in minutes. If treatment is clinically right for you, your prescription will be sent to your pharmacy the same day.
Book My Consultation
No waiting room
Delivered to your door within 24 hours
Open 365 days a year
Licensed UK clinicians
Secure & confidential
Frequently Asked Questions

Thyroid Function Test FAQs

No items found.
Medical Disclaimer: The information on this page is provided for educational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare professional with any questions you may have regarding a medical condition or medication. Never disregard professional medical advice or delay seeking it because of something you have read on this page. If you think you may have a medical emergency, call 999 or your local emergency services immediately.