Does a Hot Shower Help a Fever? Exploring the Science and Myths
Published on September 5, 2024
Key Takeaway
While hot showers may provide temporary relief for fever symptoms, they are not a proven method for reducing body temperature and may even be counterproductive in some cases.
Introduction
When you're feeling under the weather with a fever, the idea of a hot shower might seem appealing. But does this common home remedy actually help? Let's dive into the science behind fevers and explore whether hot showers are an effective treatment.
Understanding Fever: A Natural Defense Mechanism
Before we discuss treatments, it's crucial to understand what a fever is and why our bodies produce them. A fever is a temporary increase in body temperature, typically in response to an infection or illness. It's important to note that fever is not a disease itself, but rather a symptom and a natural defense mechanism.
According to research by Singh et al. (2022), fever plays a vital role in boosting our immune response:
- A temperature of 39°C enhances protective heat-shock and immune responses
- Temperatures ≥40°C can initiate antiviral responses and restrict certain pathogens

The Hot Shower Myth: Does It Really Help?
Many people believe that a hot shower can help "sweat out" a fever. However, this idea is largely a myth. A 2017 analysis cited by Seladi-Schulman (2018) found that exposure to heated, humid air was neither harmful nor beneficial for people with the common cold.
In fact, hot showers might even be counterproductive. Here's why:
- Raising body temperature: A hot shower can actually increase your core body temperature, potentially making the fever worse.
- Dehydration risk: The heat and steam can cause you to sweat more, leading to potential dehydration if you're not careful.
- Skin irritation: According to Lindberg (2020), hot showers can dry out and irritate your skin, potentially exacerbating conditions like eczema.
When Might a Warm Shower Be Beneficial?
While hot showers aren't recommended for fever reduction, a warm shower might offer some benefits:
- Muscle relaxation: Warm water can help soothe aching muscles often associated with fevers.
- Respiratory relief: Steam from a warm shower may help open airways and loosen phlegm.
- Comfort: The soothing effect of warm water can provide temporary comfort and relaxation.

Safer Alternatives for Fever Management
Instead of relying on hot showers, consider these evidence-based approaches to managing a fever:
- Rest and hydration: Your body needs rest to fight the infection. Stay hydrated to replace fluids lost through sweating.
- Lukewarm sponging: Tasovac suggests using lukewarm water (around 30°C) to gently lower body temperature.
- Over-the-counter medications: Acetaminophen or ibuprofen can help reduce fever, but always follow dosage instructions.
- Cool, comfortable environment: Keep your room at a comfortable temperature and use light bedding.
When to Seek Medical Attention
While most fevers are not cause for alarm, there are situations where you should consult a healthcare professional:
- Fever above 103°F (39.4°C) in adults
- Fever lasting more than three days
- Severe headache or neck stiffness
- Confusion or difficulty breathing
- Any fever in infants under 3 months old
Conclusion
While the idea of "sweating out" a fever with a hot shower is appealing, it's not supported by scientific evidence. Instead, focus on rest, hydration, and gentle temperature management techniques. Remember, fever is often a sign that your body is fighting an infection, so supporting your immune system is key. If you're ever in doubt about managing a fever, don't hesitate to consult with a healthcare professional for personalized advice.