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Thyroid function tests

The thyroid is a crucial component of your overall health, and with our fast turnaround of results and experienced medical team, we can help you understand the condition of your thyroid and presence of any level of dysfunction that may require treatment.

Our clinics provide results of a thyroid function test in around 4 – 12 hours, and a consultation means a doctor will call with your results and discuss your options. Without a consultation and abnormal results, please contact your GP or specialist with your results or come back to see us for a consultation.

An imbalance in your thyroid hormone affects your physiology and your behaviour, and left untreated can lead to more serious problems. Issues can be divided into two conditions:

Hyperthyroidism Facts

  • Excessive thyroid hormone activity
  • Speeding up of bodily functions
  • More common in women
  • Increased risk of osteoporosis (brittle bones)
  • Symptoms of Hyperthyroidism

  • Restless
  • Nervous
  • Emotional
  • Irritable
  • Poor sleep
  • Hand tremors
  • Weight loss
  • Hunger and thirst
  • Diarrhoea
  • Infrequent/light menstruation
  • Swelling of thyroid gland in neck

Hypothyroidism Facts

  • Underactive thyroid hormone activity
  • Slowing down of bodily functions
    • Symptoms of Hypothyroidism

    • Tiredness
    • Weight gain
    • Constipation
    • Aching
    • Feeling cold
    • Dry skin
    • Fluid retention
    • Mental slowing
    • Depression

    Less common symptoms of Hypothyroidism

    • Hoarse voice
    • Heavy menstruation
    • Infertility
    • Loss of sex drive

For both conditions:

  • Symptoms develop slowly and gradually become worse
  • All symptoms can be caused by other conditions
  • Increased risk of developing heart problems, and complications during pregnancy
  • With treatment, the outlook is excellent and added complications are unlikely
For more information or to book an appointment, please call our Harley Street clinic on 02073231023 02073231023 or our London City clinic on 02071010355 02071010355

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I just wanted to express my thanks for being so efficient and caring yesterday. The GP was very caring and efficient and I certainly will be using your service again.


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  • Harley Street 0207 3233 830
  • City Clinic 020 7101 0355