
You’ve tried it all—over-the-counter acids, freezing, and even advanced in-office treatments. Yet that stubborn plantar wart is still there, mocking you every time you look at your foot.
So what gives? Why do some warts clear easily, while others stick around no matter what we do?
The answer may lie deeper than the skin. In some cases, high cortisol—the body’s stress hormone—can suppress the immune system enough to make plantar warts incredibly difficult to treat.
Cortisol: The Double-Edged Sword
Cortisol plays an important role in our body: it helps regulate metabolism, blood sugar, inflammation, and stress. But when cortisol levels remain too high for too long, as in Cushing’s Syndrome or prolonged steroid use, it starts working against you.
High cortisol can:
- Suppress the immune system, making it harder to fight off HPV (the virus behind plantar warts).
- Thin the skin and slow wound healing.
- Cause muscle weakness and fatigue.
- Increase risk of infections—including fungal toenails, athlete’s foot, and chronic plantar warts.
Signs That Cortisol May Be Too High
Sometimes, warts that just won’t clear are the first clue that something bigger is going on. Other common signs of excess cortisol include:
- A round, puffy “moon face”
- Fat pad at the back of the neck (“buffalo hump”)
- Central weight gain with thin arms and legs
- Wide purple stretch marks on the abdomen
- Easy bruising, fragile skin, or slow healing wounds
- Chronic fatigue or muscle weakness
- High blood pressure, diabetes, or bone loss
If you recognize some of these along with your stubborn wart problem, it may be worth talking to your doctor about cortisol testing.
How Do You Test for High Cortisol?
Endocrinologists use several validated tests to check for cortisol excess:
- 24-hour urinary free cortisol (measures total cortisol released in a day)
- Late-night salivary cortisol (should normally be low at bedtime, but elevated in Cushing’s)
- Low-dose dexamethasone suppression test (checks whether cortisol can be “turned off” appropriately)
These are the gold-standard tools—not at-home kits—and may need to be repeated more than once for accuracy.
Why This Matters for Warts
Most plantar warts clear when we stimulate the immune system—whether through Swift microwave therapy, laser, or topical treatments. But if cortisol is chronically elevated, your immune defenses may not respond the way they should.
Addressing cortisol imbalance may be the missing piece that finally allows resistant plantar warts to clear.
Final Thought
Not every stubborn wart is “just a wart.” Sometimes, it’s your body telling you something bigger is happening behind the scenes.
If you’ve tried everything and your plantar wart won’t go away, it may be time to look deeper. At Lighthouse Foot and Ankle Center, we combine advanced therapies like Swift microwave treatment with a whole-body approach to uncover why your skin isn’t healing the way it should.
📞 Call us at 207-774-0028 to schedule a consultation
🌐 Learn more at www.lighthousefootandankle.com

