For critically ill patients with renal failure, heart failure and other diseases, foot stimulation may cause reactions and complicate the condition, so it is not suitable for these patients to soak their feet. Diabetic patients should also pay special attention to water temperature, because such patients are prone to complex peripheral neuropathy, which makes peripheral nerves unable to perceive the external temperature normally. Even if the water temperature is high, they can't feel it, and they are easily burned.
Old people need to be extra careful when soaking their feet. As more blood flows to the lower limbs, people who are weak will feel dizzy because of insufficient blood supply to the brain, and even faint in severe cases. Especially the elderly with cardiovascular and cerebrovascular diseases, we should pay special attention to it. If you feel chest tightness and dizziness, you should temporarily stop soaking your feet and lie in bed immediately.
Those with yin deficiency and blood heat should soak their feet with Artemisia argyi. Although Artemisia argyi has the effect of warming meridians and stopping bleeding. People with yin deficiency and blood heat constitution have internal heat, which is easy to cause internal heat and dry heat. Therefore, people with yin deficiency and blood heat constitution should not soak their feet with mugwort leaves, which will lead to blood gas loss and be harmful to their health. People suffering from various serious hemorrhagic diseases should not soak their feet, which may lead to bleeding during massage.