When Do I Need to Consult a Thyroid Specialist in Singapore?
Dr Ranjiv Sivanandan
Head & Neck and Thyroid Surgeon
MBBS (Singapore), FRCS (Edinburgh), MMEd (Surgery), FAMS
Thyroid conditions can affect many aspects of your health, from energy levels and weight to mood and heart function. Symptoms are often subtle or mistaken for everyday stress or ageing, and as such, they may go unnoticed until they begin to interfere with daily life.
Knowing when to consult a thyroid specialist is key to getting an accurate diagnosis and timely care. In Singapore, early specialist evaluation can help identify underlying thyroid disorders and guide appropriate treatment before complications develop.
Common Signs You May Need to See a Thyroid Specialist
While symptoms can vary depending on the underlying condition, there are several common warning signs that may indicate a thyroid imbalance. These are often caused by an overactive or underactive thyroid, known as hyperthyroidism and hypothyroidism, respectively. These conditions affect the amount of hormones being produced by the body.
Some of these warning signs include:
1. Persistent Fatigue or Low Energy
Feeling unusually tired all the time is one of the most frequent complaints of a thyroid disorder. If you are getting enough sleep but still feel exhausted and sluggish, it could be a sign of hypothyroidism, where the thyroid gland is underactive and slows down your body's metabolism.
On the other hand, hyperthyroidism, where the thyroid is overactive, can also affect energy levels in a different way. Instead of fatigue from slowing down, you may experience restlessness, difficulty sleeping and a constant feeling of being overstimulated, which can eventually lead to burnout and persistent exhaustion.
2. Unexplained Weight Changes
Sudden weight gain or loss without any changes to your diet or exercise routine may be linked to a thyroid disorder. With hypothyroidism, weight gain can occur more easily. In contrast, hyperthyroidism may lead to unintended weight loss despite normal or increased appetite.
3. Changes in Heart Rate
Thyroid hormones directly affect heart rate. Hyperthyroidism can cause a rapid or irregular heartbeat, such as tachycardia or atrial fibrillation, often felt as palpitations. Meanwhile, hypothyroidism may slow the heart rate, making you feel more lethargic.
4. Mood and Cognitive Changes
Thyroid imbalances can affect your emotional and mental well-being in noticeable ways. If you experience persistent low mood, lack of motivation or difficulty concentrating, it may be linked to hypothyroidism.
Some individuals with hyperthyroidism may instead notice increased anxiety, irritability or a sense of being constantly on edge. These changes can also affect focus and sleep, making day-to-day functioning more challenging.
5. Hair, Skin and Nail Changes
Changes in your hair, skin or nails can be subtle but important indicators of thyroid dysfunction. With hypothyroidism, you may notice dry or rough skin, brittle nails and thinning hair, including reduced hair at the outer eyebrows.
Hyperthyroidism may instead cause a person to develop softer, more fragile skin and fine, brittle hair. These changes often develop gradually and may be overlooked until they become more noticeable.
6. Neck Swelling or Discomfort
A visible swelling, lump or sensation of fullness at the base of the neck may be a sign of an underlying thyroid issue. This can occur when the thyroid gland becomes enlarged over time.
Some individuals may also develop thyroid nodules. While many are benign, any persistent swelling or discomfort in the neck should be evaluated to rule out more serious conditions, including thyroid cancer.
7. Menstrual or Fertility Issues
For women, thyroid disorders can disrupt the menstrual cycle. This may present as irregular, heavy or missed periods. Hormonal imbalances can also lead to difficulties with fertility or increase the risk of complications during pregnancy.
8. Temperature Sensitivity
Your thyroid hormones help regulate your body temperature. People with hypothyroidism often feel unusually cold, even in warm environments, and may have difficulty warming up. Those with hyperthyroidism typically feel unusually hot and sweat excessively.
9. Memory and Concentration Issues
Memory lapses, brain fog and difficulty concentrating are common cognitive symptoms linked to thyroid disorders. Hypothyroidism can slow down cognitive functions, making it hard to focus, while the anxiety associated with hyperthyroidism can also interfere with concentration.
10. Difficulty Swallowing or Hoarseness
An enlarged thyroid gland or a thyroid nodule can press on your windpipe or oesophagus, leading to difficulty swallowing, a feeling of a lump in your throat or a hoarse voice. These symptoms require prompt medical attention to determine the underlying cause.
Seeking Aid in Maintaining Your Thyroid Health
If you are experiencing any combination of the symptoms discussed, do not dismiss them as minor or temporary changes. Thyroid conditions are often subtle and develop gradually, which means that by the time you notice these symptoms, they may have already been progressing and affecting your health.
Seeking early evaluation from a thyroid specialist can allow for a clearer diagnosis and more effective management tailored to your needs. A thyroid specialist can conduct the appropriate tests, identify the underlying cause and recommend a personalised treatment plan to help restore hormonal balance and improve your overall well-being.
At the Thyroid Head and Neck Surgery Centre, our clinical care is led by Dr Ranjiv Sivanandan, an experienced Head & Neck and Thyroid Surgeon with expertise in the diagnosis and surgical management of thyroid conditions. Dr Sivanandan works closely with patients to provide thorough evaluations and personalised care tailored to each individual's needs.
Contact our clinic to find out more about how we can aid in the assessment, diagnosis and management of your thyroid health.
Meet Our Thyroid Specialist in Singapore
Dr Ranjiv Sivanandan
Head & Neck and Thyroid Surgeon
MBBS (Singapore), FRCS (Edinburgh), MMEd (Surgery), FAMS
Dr Ranjiv Sivanandan is an accredited general surgeon with a dedicated focus on thyroid and complex head and neck surgery. With over two decades of experience, he has managed a wide range of conditions, including thyroid nodules, thyroid cancer and other head and neck disorders.
Dr Ranjiv is recognised for his expertise in advanced surgical techniques, particularly in robotic thyroid and head and neck surgery. He performed the first robotic thyroidectomy in Singapore and the first robotic neck dissection in Southeast Asia, reflecting his commitment to minimally invasive approaches and surgical innovation. His clinical work is complemented by involvement in research and education, including roles at the National Cancer Centre and the National University of Singapore.
In his clinical practice, Dr Ranjiv adopts a patient-centred approach, ensuring that each individual is fully informed of evidence-based treatment options and actively involved in decision-making. His focus is on delivering personalised care and achieving optimal outcomes for every patient.