Debunking the Myth: Can You Sweat Out a Fever?

We've all heard it: "Just sweat it out." Whether it's a hot bath, layers of blankets, or even a quick workout, many believe sweating can "burn off" a fever. But is there any science behind it—or is it just a myth?

Let’s break down the facts about fever, sweating, and how to recover safely.

What Is a Fever, and Why Do We Sweat?

Fever is your body’s natural defense mechanism against infection. When your immune system detects a threat, it raises your internal thermostat (regulated by the hypothalamus) to help fight off bacteria or viruses.

Sweating, on the other hand, is a way for the body to cool itself down—not a method for removing toxins or curing illness. You may start sweating once your fever breaks, but this is a result of recovery, not the cause of it.

Does Sweating Help You Recover Faster?

No. Forcing your body to sweat doesn’t “flush out” a virus or speed up recovery. In fact, intentionally overheating yourself can:

• Dehydrate you, which worsens symptoms like headache and fatigue
• Disrupt rest, which your immune system needs to function well
• Delay recovery by stressing the body unnecessarily

Sweating is a symptom—not a treatment.

What About Saunas—Do They Help?

Saunas and steam rooms are popular wellness tools, but they shouldn’t be used during a fever. However, regular sauna use when you're healthy may support immune function:

• Increased white blood cell production
• Activation of heat shock proteins that protect cells
• Reduced frequency of colds and respiratory infections

While a sauna may help keep your immune system in shape, it's not a fever treatment.

Better Ways to Manage a Fever

Rather than sweating it out, focus on these evidence-based fever remedies:

1. Stay Hydrated

Fever causes fluid loss. Drink plenty of water or electrolyte-rich fluids to stay hydrated and support immune response.

2. Use Medication Responsibly

If your fever is high or causing discomfort, take acetaminophen (Tylenol) or ibuprofen (Advil) to bring your temperature down. Follow dosing instructions carefully.

3. Rest and Recover

Don’t push your body. Rest is critical so your immune system can do its job effectively.

4. Choose Light Clothing

Avoid bundling up. Dress in light layers and keep your room cool and well-ventilated to prevent overheating.

When to See a Doctor

Most fevers resolve on their own—but don’t ignore these warning signs:

• Fever over 103°F in adults
• Fever over 100.4°F in infants under 3 months
• Difficulty breathing, rash, persistent vomiting, stiff neck, or confusion
• Fever lasting more than 3 days

‍Get Care at BASS Medical Group

If you or a loved one is dealing with a fever, don’t guess your way through it. The Primary Care team at BASS Medical Group is here to help you get back on your feet with trusted, personalized care.

Schedule an Appointment
Find a Doctor Near You