Atlantic Endocrinology New York City

Thyroid disease: Can it affect a person’s mood?

Have you ever felt as if you’re riding an emotional rollercoaster, unpredictably swinging from lows to highs? While daily stressors undoubtedly impact our moods, sometimes the underlying cause is a health condition like thyroid disease. Could this be the hidden factor behind your mood swings?


The Crucial Role of the Thyroid in Emotional Health

The thyroid gland, situated in the neck, is pivotal for metabolic regulation through its hormone production. Malfunctions in this gland, such as hypothyroidism (underactive thyroid) or hyperthyroidism (overactive thyroid), can upset your hormonal harmony. This imbalance doesn’t just affect your physical health; it extends to your emotional state as well.

How Thyroid Imbalances Affect Mood

Thyroid hormones, particularly T3 and T4, are integral to various bodily functions, including brain function. An imbalance in these hormones can alter neurotransmitter activity, essential for mood regulation, leading to various emotional disturbances.

Symptoms of Mood Changes Linked to Thyroid Health

In Hypothyroidism:

  • Depression: Persistent sadness, loss of interest, and a lack of motivation.

  • Anxiety: Persistent worry and tension.

  • Irritability: Quick to anger and frustration.

  • Brain Fog: Problems with focus, memory, and mental clarity.

In Hyperthyroidism:

  • Anxiety: Feeling restless and unable to relax.

  • Irritability: Low tolerance levels and quick frustration.

  • Mood Swings: Rapid and extreme emotional shifts.

  • Sleep Issues: Trouble falling or staying asleep.

While other conditions can also cause these symptoms, if you’re experiencing significant mood alterations alongside other thyroid-related symptoms, it’s crucial to consider a thyroid evaluation.

Diagnosing Mood Disorders Linked to Thyroid Issues

Identifying a thyroid-related mood disorder typically involves:

  • Blood Tests: These check levels of thyroid hormones to pinpoint hypothyroidism or hyperthyroidism.

  • Psychological Assessment: Mental health professionals can evaluate mood symptoms and help rule out other causes.

Be transparent with your healthcare provider about your symptoms during consultations.

Effective Treatments for Thyroid-Related Mood Issues

Fortunately, thyroid conditions are manageable. Treatment aims at hormonal rebalancing:

  • Medication: Synthetic hormones treat hypothyroidism, while treatments for hyperthyroidism may include medications, radioactive iodine therapy, or surgery.

  • Therapy: Techniques like Cognitive-Behavioral Therapy (CBT) can help manage mood symptoms and improve well-being.

  • Lifestyle Adjustments: A balanced diet, sufficient sleep, and effective stress management can support mood stabilization and overall health.

Prevention and Management Tips

  • Regular Medical Check-ups: Keep up with thyroid function monitoring and medication adjustments.

  • Mood Diary: Documenting mood shifts and potential triggers can help identify trends and refine your treatment plan.

  • Emotional Health Practices: Engage in stress reduction activities like yoga or meditation and maintain a supportive social network.


Recognizing the connection between thyroid dysfunction and mood variations is key to managing both your mental and physical health effectively. If you suspect your mood swings may be thyroid-related, don’t hesitate to discuss this with your doctor. Early detection and appropriate treatment can significantly enhance your quality of life by restoring hormonal balance and stabilizing your mood.