Can Hot Tubs Help with Arthritis or Chronic Pain? What Science Says

Millions of Americans live with arthritis or chronic pain every day. While medications and physical therapy are often prescribed, many people are searching for natural, at-home solutions that bring real relief. One option that’s backed by both research and user experience is soaking in a hot tub.

But does it really work? Let’s look at the science behind hydrotherapy, how hot tubs can reduce pain, and what you need to know before using one as part of your wellness routine.

How Hot Tubs Help Ease Arthritis and Chronic Pain

Hot tubs combine heat, buoyancy, and massage, creating a form of water therapy known as hydrotherapy. These three factors work together to relieve pain in powerful ways.

1. Heat Boosts Blood Flow

• Warm water dilates blood vessels, improving circulation.

• Increased blood flow helps reduce joint inflammation and stiffness.

• Muscles relax, allowing easier movement.

👉 According to the Arthritis Foundation, warm water therapy is one of the most effective methods for managing arthritis discomfort.

2. Buoyancy Takes Pressure Off Joints

When submerged, your body weight is reduced by up to 90%. That means less pressure on:

• Hips

• Knees

• Spine

This makes it easier to stretch, move, and exercise in the water—without the pain caused by weight-bearing activities.

3. Massage Jets Relieve Muscle Tension

Modern hot tubs are equipped with targeted jets that mimic the effects of a massage.

• Loosens tight muscles

• Reduces pain signals sent to the brain

• Promotes relaxation and stress relief

For people with fibromyalgia, this gentle massage can help ease widespread pain and improve sleep quality.

What the Research Says About Hot Tubs and Pain Relief

Several studies have shown positive outcomes for arthritis and chronic pain sufferers using warm water therapy:

• Clinical Rheumatology Study: Patients with ankylosing spondylitis (a form of arthritis) reported pain relief and improved mobility after three weeks of hydrotherapy.

• Journal of Rheumatology: Participants with hip and knee osteoarthritis experienced greater flexibility, strength, and function with consistent warm water therapy.

• Fibromyalgia Research (2014): Patients reported less fatigue, better sleep, and lower pain scores after regular hydrotherapy sessions.

In short: the science supports what many hot tub owners already know—soaking can be an effective tool for pain management.

Tips for Safe Hot Tub Use with Arthritis or Chronic Pain

Hot tubs are safe for most people, but it’s important to use them wisely:

• ✅ Temperature: Keep water between 98°F and 104°F

• ⏱ Duration: Limit sessions to 15–20 minutes

• 💧 Hydration: Drink water before and after soaking

• 🚫 Precautions: Avoid if you have open wounds or active infections

• 🩺 Consult your doctor if you have cardiovascular issues or take circulation-affecting medications

Are Hot Tubs a Cure?

Hot tubs won’t cure arthritis or chronic pain—but they can be a powerful complement to your treatment plan. Regular soaking can:

• Improve flexibility

• Reduce stiffness

• Enhance sleep

• Lower stress (which is often linked to flare-ups)

Combined with exercise, proper diet, and medical care, hot tubs can be part of a holistic pain management routine.

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Learn More About the Health Benefits of Hot Tubs

Interested in other wellness benefits? Check out our guide:
👉 8 Surprising Health Benefits of Soaking in a Hot Tub Regularly

Frequently Asked Questions

How often should I use a hot tub for arthritis?

Most people find benefits when soaking 3–5 times per week. Start slow, and listen to your body.

Is hot tub therapy better than exercise for arthritis?

Both are important. Hot tubs can prepare your joints and muscles for movement, making exercise easier and less painful.