Hot Bath Effects: Benefits & Risks

Benefits (100–104°F / 38–40°C)

• Muscle relaxation, stress relief
• Improved circulation, vasodilation
• Sleep promotion
• Congestion relief (steam)

Risks of Excessive Heat/Time

• Overheating, dizziness, syncope
• Skin irritation, dryness
• Tachycardia (caution in heart disease)
• Worsened congestion (some)
• Dehydration (sweating)
• Scalding burns
• Hypotension

Limit to 15–20 min; hydrate; avoid if cardiovascular disease, pregnancy, or impaired sensation.