Furosemide is a nicotine insecticide with certain toxicity, mainly used for the control of aphids, leafhoppers, lice, thrips, whiteflies and other insects on wheat, rice and other crops, generally the toxic side effects on human body are relatively small, and the consumption of food such as rice and fruits that have been beaten with furosemide usually does not appear more harmful. However, if a large number of people are exposed to this insecticide, it may cause allergic reactions or poisoning symptoms. 1, allergic reactions: for some people, such as allergic people, after exposure to furosemide, it may lead to skin allergy, redness, papules, itching and other symptoms, and in serious cases, wheezing, breathing difficulties and other symptoms, it is recommended to go to the hospital in a timely manner, can be under the guidance of doctors oral antihistamine Symptoms can be reduced by oral antihistamines such as loratadine and cetirizine, or systemic application of glucocorticoids such as prednisone and dexamethasone. 2, poisoning symptoms: If furosemide enters the body in large doses, it may lead to acute poisoning, with nausea, vomiting, convulsions, tachycardia, irritability and other manifestations at the initial stage. Immediately take the medicine bottle as well as the medicine instruction manual and go to the hospital for emergency treatment. In daily life, you should regulate the use of furosemide, and pay attention to your own protection, reduce direct contact with furosemide, and put furosemide in a safe location out of reach of children. In addition, pay attention to washing fruits, vegetables and other ingredients before consumption.