Mother-in-law often does some farm work of weeding and planting peanuts. Now several fingernails are cracked and badly rotten, and it hurts when touching or touching water. what can I do?

Vitamin supplements. The elderly generally lack nutrition. In addition, soak in hot salt water and edible white vinegar for ten to twenty minutes every night. [Add more salt and vinegar]. Then check some nursing drugs, take off disposable gloves for ten minutes before taking them off ... don't touch cold water during this time. Persistence is absolutely effective. You are very filial. I wish you and your family happiness and health.