Is a warm bath or a heat pad better for arthritis?
Wet heat (warm bath, hot shower, hydrotherapy) penetrates deeper and treats larger areas — best for widespread stiffness and multiple joints. Dry heat (heat pad, wheat bag, electric blanket) is easier and safer to use targeted at one joint. Both work; combine them (warm shower in the morning, heat pad on the sore knee in the evening).
Last updated 2026-07-04. This is general information, not a substitute for personalised medical advice.
Frequently asked questions
When would you pick Wet heat?
Widespread stiffness; multiple joints; RA flares; feels good on your body.
When would you pick Dry heat?
One specific joint; easy daytime use; safe for people at risk of falls in the bath.
What should I be careful about?
Never bathe in water hotter than 40°C; test with an elbow first, especially if you have circulation issues or diabetes.