What Blood Tests Should I Get for Dry Skin?

The most recommended blood tests for dry skin are TSH, vitamin D, a comprehensive metabolic panel, and a CBC. Hypothyroidism is the leading hormonal cause of persistent dry skin. Kidney and liver dysfunction also affect skin hydration and commonly present with skin changes.

Possible Causes

HypothyroidismVitamin D DeficiencyKidney Disease

Recommended Tests

TSH

$8

Measures thyroid-stimulating hormone to evaluate thyroid function. TSH is the most sensitive marker for detecting thyroi...

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Free T4

$8

Measures the unbound, active form of the thyroid hormone T4. Helps assess thyroid function and diagnose thyroid conditio...

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Vitamin D

$22

Measures vitamin D status. Deficiency is common and linked to bone health, immune function, and mood.

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CMP

$10

Measures 14 substances including glucose, electrolytes, kidney and liver function markers.

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CBC w/ Diff

$5

Comprehensive blood cell analysis including red cells, white cells, platelets, and white cell differential.

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When to See a Doctor

If your dry skin is severe, rapidly worsening, or accompanied by alarming symptoms (chest pain, shortness of breath, high fever), seek immediate medical attention. Blood tests are a valuable first step, but they don't replace evaluation by a healthcare professional.

Frequently Asked Questions

Related Symptoms

Hair LossCold IntoleranceBrittle NailsFatigue

Related Articles

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How to get TSH, Free T4, and Free T3 tested affordably without insurance coverage.

Vitamin D Test Cost: Self-Pay Options

How much a vitamin D test costs without insurance and where to find the best price.

Content reviewed for accuracy by the JustLabs editorial team.