Goitre

An enlarged thyroid gland, seen as a swelling at the front of the neck. It can occur with normal, low or high thyroid hormone levels.

ThyroidLast updated: 21 October 2026

Quick Summary

Primary Symptoms

A swelling in the front of the neck; sometimes tightness, cough, hoarse voice or difficulty swallowing.

Common Treatments

Depends on the cause: iodine, thyroid medicines, radioactive iodine or surgery for large goitres.

Risk Factors

Iodine deficiency, being female, older age, autoimmune thyroid disease and family history.

Overview

Worldwide, the most common cause of goitre is iodine deficiency. India's iodised salt programme has made this much less common.

Other causes include Hashimoto's thyroiditis, Graves' disease and thyroid nodules.

Symptoms

Neck swelling

At the base of the neck.

Tightness

A feeling of pressure in the throat.

Swallowing or breathing difficulty

With large goitres.

Thyroid symptoms

Signs of under- or overactive thyroid.

Causes & Risk Factors

Biological Causes

The thyroid enlarges because of iodine shortage, autoimmune disease or nodules.

Key Risk Factors

  • Iodine deficiency In areas without iodised salt.
  • Sex More common in women.
  • Autoimmune disease Hashimoto's or Graves'.

Management & Treatment

01. Tests

Thyroid blood tests and an ultrasound.

02. Medicines

Levothyroxine or antithyroid medicines depending on hormone levels.

03. Surgery

For large goitres causing symptoms or suspicious nodules.

Frequently Asked Questions

Is goitre cancer?
Most goitres aren't cancer, but nodules may need tests.
Does iodised salt help?
It prevents iodine-deficiency goitre.
Will it go away?
Some shrink with treatment; others are monitored.

Sources and further reading

Last updated 21 October 2026. For more detail, see these trusted health organisations.