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Diagnosis

Overactive thyroid (hyperthyroidism)

Diagnosis

See a GP if you think you may have an overactive thyroid (hyperthyroidism).

A diagnosis will be based on your symptoms and the results of a blood test that assesses how well your thyroid is working.

Thyroid function blood test

A GP may arrange for you to have a blood test to check your thyroid hormone levels. This is known as a thyroid function test.

The test checks the levels of:

thyroid-stimulating hormone (TSH) – a hormone produced by the pituitary gland (a gland at the base of the brain) which controls the production of thyroid hormones
triiodothyronine (T3) – one of the main thyroid hormones
thyroxine (T4) – another of the main thyroid hormones

Your thyroid hormone levels will be compared to what's normal for a healthy person of your age. A low level of TSH and high levels of T3 and/or T4 usually means you have an overactive thyroid.

Doctors may refer to these measurements as "free" T3 and T4 (FT3 and FT4).

What's considered normal varies depending on things such as your age and the exact testing technique used by the laboratory.

Find out more about thyroid function tests on the Lab Tests Online UK website

Further tests

If your thyroid hormone levels are high, you may be referred to a specialist for further tests to find out what's causing it.

Further blood tests

You may have another blood test to look for anti-thyroid antibodies.

These are usually found if you have Graves' disease, a common cause of an overactive thyroid.

A blood test called erythrocyte sedimentation rate (ESR) may also be done to check for inflammation in your body.

If there are signs of inflammation, the increase in thyroid hormones is caused by thyroiditis (inflammation of the thyroid).

Find out more about ESR tests on the Lab Tests Online UK website

Thyroid scan

A thyroid scan may be used to look for problems such as lumps (nodules) on your thyroid.

You'll be asked to swallow a small amount of a slightly radioactive substance that will be absorbed by your thyroid. It can also be given by injection.

A scan is then done to see how much of the substance has been absorbed and to examine the size and shape of your thyroid.

Last Reviewed
28 May 2025

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Donna Seymour

Lovely little pharmacy ( looking forward to seeing the end result of recent work they’ve been having done).

Definitely a godsend during the pandemic for me and ever since.

Vicky Callan

Lovely helpful staff and being that I am a frequent flyer they address me by my first name which is a nice little touch.

Best Pharmacy in Farnborough.

Highly reccomend

Bali Gill

I have been going to the pharmacy for many years now, the service is incredibly efficient, all the staff are knowledgeable and very professional. Year on year the standards have not dropped and remain consistently excellent.

Trapz 13th

Very good customer service, I think her name was sophie very polite and helped with what i needed.

Stephen Horne

Now with 24/7 dispensing medication service

Tristan Findley

The best little pharmacy in the area! Run by some very lovely people who are very kind and understanding, and always ready to give you a little bit of sympathy if you're under the weather, as well as recommend things for you to help you feel better!

Happ Sandhu

Great community Pharmacy with friendly and knowledgeable team ready to help! Love the new tech!

Aryan Dass

Great pharmacy, has everything you need, great customer service, friendly faces and very reliable.

Mike Bowen

Absolutely brilliant place always willing to make time to talk and assist in any way they can.

Paul Williamson

Always polite and helpful a pleasure to deal with regards Paul Williamson

Harry Samuel Calver

They all ways ggo that extra mile to help there customers

Andrew Gardner

Always fast friendly efficient service. Thank you.

Karen Turner

Great pharmacy helpful kind and very competent

John Brereton

Very nice staff

Andy Lonnen

Very polite and helpful. Thanks!

JJ Lake

Always friendly and helpful.

Indi Gill

Fast and efficient service

Sya Dhoman

Very friendly staff

Sattie Dass

If you're looking for a pharmacy that truly cares about its customers, look no further than North Camp Pharmacy. I have been a loyal customer for 10 years now, and I am continually impressed by the level of service and care that the staff provides.

Graham Wishart

Attended for flu and covid vaccinations. Very impressed with smart pharmacy. Efficient delivery of vaccinations 100% on time, no waiting. Excellent

Abdulrasheed Maryam

I've been here for a couple of times and the customer service I always received was top- notch.

Green Tree

I have been getting my prescriptions from North camp pharmacy for about 3 months.

Teresa and Jorga are very helpful & cheerful always Treating me with dignity and respect.

The pharmacy is very professional & clean.

Teresa took time to ask me if my medication is working,she was very interested in my welfare,my life has improved so much since I take my meds

Thank you North camp for your

Support

Kindest regards Al

Sue Levett

Prescriptions ready very quickly. I use the PS24 collection box.such a good idea!

Anna Berry-Martin

Everyone in this pharmacy are so professional and caring. Always so helpful and available to give advice if needed. Feel very lucky we have North Camp pharmacy in our area.

George Cato

YOU ARE ARE LIFE LINE THANK YOU

NORTH CAMP PHARMACY

GEORGE CATO

Terence Davison

I have always found the staff here, from the pharmacists down to young trainees on the tills, to be pleasant and patient. I like getting a txt to tell me when my scripts are ready for pick up.

Jennifer Elkins

I don’t often write reviews but wanted to share my experience of this pharmacy having read the mixture of reviews on Google.

I have been using their services regularly for over 10 years now and cannot fault them.

Sally Vokes

I visited the pharmacy today with a friend who was collecting their prescription. The service was wonderful, the lady behind the counter was very friendly and helpful and the medication was ready when they said it would be.

Hayley Cooper

They helped me when I was in need today. Would have had to wait 24 hours for some medication I’d run out of but I wasn’t coping well without it and the kind lady behind the counter turned it around for me in 15 mins despite them being incredibly busy. I am so grateful.

Aidan O'Keeffe

Dropped in here due to all the issues with Lloyds in Ash. I also gave up waiting at Boots at Farnborough Gate before trying here... The North Camp Pharmacy was small, but quiet and had everything we needed. Service with a smile too.

Julian Chapman

Hard working and really make an effort,

Just been in again and as usual are working really hard, they are sooo busy, they do a great job thank you

Phoned this morning and lady was very helpful. Popped in and again great service thank you

Clare Martin

Kind and helpful and very efficient at obtaining information and prescription for GP and leading on the liaison with said GP regarding lifelong repeat prescription and payment exemption.

Armaan Dass

I’ve been to many pharmacies in and around this area and I have to say this is one of a kind. Very modern and aesthetically pleasing can’t wait to see the finished refit, it’s safe to say you’ll be seeing me more often :)