Borax may cause abnormalities in the human digestive system, skin damage, and symptoms of poisoning. 1. Abnormalities in the digestive system: Misuse of borax may affect the human digestive system, resulting in nausea and vomiting, indigestion, loss of appetite and other adverse symptoms. 2. Skin damage: After consuming borax, the patient’s skin may develop large red spots or rashes, causing skin damage. 3. Symptoms of poisoning: Excessive intake of borax may lead to symptoms of poisoning, affecting the body’s circulatory system, resulting in dizziness, headache, or even coma. Therefore, if you accidentally ingested borax, you should drink a lot of water first to promote the metabolism of borax in the body, and seek medical attention in a timely manner. If there are adverse symptoms, under the guidance of the doctor to treat the symptoms, to avoid missing the treatment time, aggravate the condition, affecting the health of the body.