Allergy caused by yam mucus generally does not last long and can disappear automatically in half a day or a day. It can be treated by the following methods:

1. Rinse with plenty of water, and then apply vinegar on your hands, even under the nails. The itching will gradually disappear after a while. This is due to acid and alkali. Reasons for neutralization.

2. You can also roast it on a fire and turn your palms repeatedly to heat your hands, which can decompose the saponin that has penetrated into your hands. But be careful and don't burn your skin.

3. Diluting toilet water or essential oil in water and washing it repeatedly can also relieve the pain.