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Thyroid Disease Overview and Treatment Options

Learn about thyroid disease, including symptoms, causes, diagnosis, and treatment options for hypothyroidism and hyperthyroidism. Discover how lifestyle changes can support better thyroid health.

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Written by Dr. Shaik Abdul Kalam

Reviewed by Dr. Md Yusuf Shareef MBBS

Last updated on 26th Aug, 2025

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The thyroid is a small, butterfly-shaped gland in your neck that plays a big role in keeping your body functioning properly. It produces hormones that regulate your metabolism, energy levels, body temperature, and even your mood. When the thyroid isn’t working as it should, it can lead to thyroid disease, which affects millions of people worldwide.

If you or someone you know has been diagnosed with a thyroid disorder, don’t worry, many thyroid conditions are manageable with the right treatment and lifestyle changes. Let’s explore what thyroid disease is, its symptoms, causes, and how you can take control of your health.

What Is Thyroid Disease?

Thyroid disease occurs when the thyroid gland produces too much or too little hormone. The two most common types are:

1. Hypothyroidism (Underactive Thyroid) – The thyroid doesn’t make enough hormones, slowing down your metabolism.

2. Hyperthyroidism (Overactive Thyroid) – The thyroid produces too many hormones, speeding up your metabolism.

Other thyroid conditions include goiter (enlarged thyroid), thyroid nodules (lumps in the thyroid), and thyroid cancer, though these are less common.

Common Symptoms of Thyroid Disease

Thyroid disorders can cause a wide range of symptoms, which may develop slowly over time.

  • Hypothyroidism (Underactive Thyroid) Symptoms
  • Fatigue and weakness
  • Weight gain
  • Feeling cold often
  • Dry skin and hair
  • Constipation
  • Depression or mood swings
  • Muscle aches and stiffness
  • Slow heart rate
  • Hyperthyroidism (Overactive Thyroid) Symptoms
  • Weight loss despite normal eating
  • Rapid or irregular heartbeat
  • Anxiety or nervousness
  • Tremors in hands
  • Excessive sweating
  • Difficulty sleeping
  • Frequent bowel movements
  • Bulging eyes (in Graves’ disease)

If you notice any of these symptoms, it’s important to consult a doctor for proper testing.

Consult Top Specialist

Dr. Mary Susan K S, General Physician/ Internal Medicine Specialist

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13 Years • MBBS, MD INTERNAL MEDICINE

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Dr. Arthi S, Family Physician

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Dr Venkata Naga Sai Tribhushan Rambhatla, General Physician

Dr Venkata Naga Sai Tribhushan Rambhatla

General Physician

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What Causes Thyroid Disease?

Several factors can contribute to thyroid dysfunction:

  • Hypothyroidism Causes
  • Hashimoto’s thyroiditis (an autoimmune disease where the immune system attacks the thyroid)
  • Thyroid surgery or radiation treatment
  • Certain medications (like lithium)
  • Iodine deficiency (rare in countries with iodized salt)

Hyperthyroidism Causes

  • Graves’ disease (an autoimmune disorder causing overproduction of thyroid hormones)
  • Thyroid nodules producing excess hormones
  • Thyroiditis (inflammation of the thyroid)
  • Excessive iodine intake
  • Other Risk Factors
  • Gender – Women are more likely to develop thyroid disorders.
  • Age – Risk increases with age, especially after 60.
  • Family history – Thyroid problems can run in families.
  • Pregnancy & postpartum changes – Hormonal shifts can trigger thyroid issues.

How Is Thyroid Disease Diagnosed?

If your doctor suspects a thyroid problem, they may recommend:

1. Blood Tests – Measures levels of TSH (Thyroid-Stimulating Hormone), T3, and T4 to check thyroid function.
2. Ultrasound – Checks for nodules or swelling in the thyroid.
3. Radioactive Iodine Uptake Test – Helps diagnose hyperthyroidism.
4. Biopsy – If a nodule is found, a small sample may be taken to check for cancer.
Early diagnosis is key to managing thyroid disease effectively.

Get Your Symptoms Checked now

Treatment Options for Thyroid Disease

The good news is that most thyroid conditions can be treated successfully.

Hypothyroidism Treatment

  • Thyroid Hormone Replacement – Synthetic hormones (like levothyroxine) help restore normal levels.
  • Regular Monitoring – Blood tests ensure the dosage is correct.
  • Diet & Lifestyle – Eating a balanced diet with selenium and zinc (found in nuts, eggs, and seafood) can support thyroid health.

Hyperthyroidism Treatment

  • Anti-thyroid Medications – Drugs like methimazole reduce hormone production.
  • Radioactive Iodine Therapy – Destroys overactive thyroid cells.
  • Surgery (Thyroidectomy) – Partial or full removal of the thyroid in severe cases.
  • Beta-blockers – Help manage symptoms like rapid heartbeat.

Lifestyle Tips for Thyroid Health

  • Eat a balanced diet – Include iodine (from iodized salt, seafood), selenium (Brazil nuts, eggs), and zinc (meat, legumes).
  • Exercise regularly – Helps with metabolism and energy levels.
  • Manage stress – Stress can worsen thyroid symptoms; try yoga or meditation.
  • Get enough sleep – Poor sleep affects hormone balance.
  • Avoid smoking – It can worsen thyroid issues, especially Graves’ disease.

When to See a Doctor

If you experience persistent symptoms like unexplained weight changes, fatigue, or heart palpitations, it’s best to get tested. Early diagnosis and treatment can prevent complications like heart disease, osteoporosis, or infertility.

Book a Thyroid Test or Consultation

If you suspect a thyroid issue, Apollo 24|7 offers easy thyroid function tests and expert consultations from the comfort of your home. You can:

  • Schedule a blood test to check TSH, T3, T4 levels.
  • Consult an endocrinologist for personalized treatment.

Taking control of your thyroid health is the first step toward feeling better. Don’t ignore the signs, get tested and start your journey to wellness today!

Final Thoughts

Thyroid disease is common but manageable. With the right treatment, diet, and lifestyle changes, you can lead a healthy, active life. If you have concerns about your thyroid, don’t hesitate to reach out to a healthcare provider.

Consult Top Specialist

Dr. Mary Susan K S, General Physician/ Internal Medicine Specialist

Dr. Mary Susan K S

General Physician/ Internal Medicine Specialist

13 Years • MBBS, MD INTERNAL MEDICINE

Bengaluru

Apollo Clinic, Sarjapur Road, Bengaluru

800

120 Cashback

800

No Booking Fees

Dr Syed Mateen Pasha, General Physician

Dr Syed Mateen Pasha

General Physician

2 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Dr. Arthi S, Family Physician

Dr. Arthi S

Family Physician

3 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Dr Venkata Naga Sai Tribhushan Rambhatla, General Physician

Dr Venkata Naga Sai Tribhushan Rambhatla

General Physician

3 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Consult Top Specialist

Dr. Gaddam Manoj, General Practitioner

Dr. Gaddam Manoj

General Practitioner

1 Years • MBBS

Hyderabad

Aaradhya clinic, Hyderabad

125

Dr. Mary Susan K S, General Physician/ Internal Medicine Specialist

Dr. Mary Susan K S

General Physician/ Internal Medicine Specialist

13 Years • MBBS, MD INTERNAL MEDICINE

Bengaluru

Apollo Clinic, Sarjapur Road, Bengaluru

800

120 Cashback

800

No Booking Fees

Dr Syed Mateen Pasha, General Physician

Dr Syed Mateen Pasha

General Physician

2 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Dr. Arthi S, Family Physician

Dr. Arthi S

Family Physician

3 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Dr Venkata Naga Sai Tribhushan Rambhatla, General Physician

Dr Venkata Naga Sai Tribhushan Rambhatla

General Physician

3 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Consult Top Specialist

Dr. Gaddam Manoj, General Practitioner

Dr. Gaddam Manoj

General Practitioner

1 Years • MBBS

Hyderabad

Aaradhya clinic, Hyderabad

125

Dr. Mary Susan K S, General Physician/ Internal Medicine Specialist

Dr. Mary Susan K S

General Physician/ Internal Medicine Specialist

13 Years • MBBS, MD INTERNAL MEDICINE

Bengaluru

Apollo Clinic, Sarjapur Road, Bengaluru

800

120 Cashback

800

No Booking Fees

Dr Syed Mateen Pasha, General Physician

Dr Syed Mateen Pasha

General Physician

2 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Dr. Arthi S, Family Physician

Dr. Arthi S

Family Physician

3 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Dr Venkata Naga Sai Tribhushan Rambhatla, General Physician

Dr Venkata Naga Sai Tribhushan Rambhatla

General Physician

3 Years • MBBS

Bengaluru

PRESTIGE SHANTHINIKETAN - SOCIETY CLINIC, Bengaluru

400

60 Cashback

Get Your Symptoms Checked now

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