Hypothyroidism
An underactive thyroid gland that doesn't produce enough thyroid hormone.
Overview
Hypothyroidism means the thyroid gland doesn't make enough hormone, slowing the body's metabolism.
It's common and easily treated with daily hormone replacement, which restores normal levels.
Symptoms
Common signs and symptoms of hypothyroidism.
- Fatigue and sluggishness
- Weight gain
- Cold sensitivity
- Dry skin and hair
- Depression and memory issues
Causes
What can lead to this condition.
- Autoimmune (Hashimoto's) thyroiditis
- Thyroid surgery or radiation
- Certain medications
- Iodine deficiency (rare in the US)
Risk factors
Factors that can increase your risk.
- Being female and over 60
- Family history of thyroid disease
- Other autoimmune conditions
Diagnosis
How providers typically confirm this condition.
- TSH blood test
- Free T4 measurement
- Thyroid antibody testing
Treatment options
Approaches that help manage or resolve the condition.
- Daily levothyroxine hormone replacement
- Regular monitoring of thyroid levels
- Dose adjustments as needed
Prevention
Steps that may help prevent or reduce the condition.
- No prevention, but early testing catches it before symptoms worsen
When to see a doctor
- Persistent fatigue, weight gain, or cold sensitivity
- Family history with new symptoms
Seek emergency care
- Severe symptoms with confusion, very low body temperature, or unresponsiveness (myxedema) — call 911
Recommended specialists & nearby providers
Connect with endocrinology providers and related specialists near you.
Top endocrinology centers in Miami
The standout, highly rated centers for endocrinology — verified providers first.
See all endocrinology centersInsurance & coverage
Care for hypothyroidism is covered by most major insurance plans. Filter providers by your plan on Hippo Intelligence to find in-network options.
Filter clinics by insuranceFrequently asked questions
Ask Hippo Intelligence
Get personalized guidance about hypothyroidism and find the right provider — instantly, in English or Spanish.