Sweet potatoes can usually be eaten if they have not spoiled, but if they have spoiled, they should not be eaten.
After the sweet potato sprouting is not like potato sprouting will produce lobelia, so after the sweet potato sprouting usually only need to remove the sprout, you can continue to eat, usually does not lead to poisoning symptoms. But after the sprouting of sweet potatoes will lose a lot of water, the taste will be affected, the nutritional value will be relatively affected.
If the sprouted sweet potato has rotted or even black spots, this situation should be avoided to eat, which may produce some toxins, such as sweet potato ketol, sweet potato ketone, etc., after eating will lead to toxic reactions, such as nausea, vomiting, diarrhea, etc., the serious may lead to headache, fever, coma, and so on, and even to the liver to cause some damage.
It is recommended that you choose to eat fresh food within the shelf life and avoid food that has gone bad, so as not to affect your health. If you have any physical discomfort, you should go to the hospital in time.