1, mainly because the yam juice contains plant alkaloids, which leads to contact dermatitis. What needs to be done at the moment is to stay away from the contact of yam and clean the contact parts with plenty of clean water. If it is not relieved, you can collect it and add essential oil to the cleaned water.

2, if there is a systemic allergic reaction, you need to see a doctor as soon as possible, under the guidance of a doctor with oral anti-allergic drugs. In addition, patients should try to avoid contact with such allergic substances in their daily lives.