Symptoms of poisoning: headache, nausea, vomiting, chest tightness, etc. Poisoning first aid: 1. Skin contact: immediately take off the contaminated clothing, rinse the contaminated skin with plenty of water, wash it with soap, and then rinse it with water. 2. Eye splash: Immediately open the eyelids, rinse with water for at least 15 minutes, and then consult a doctor. 3. Inhalation: Immediately transfer the inhaler to a place with fresh air. If the inhaler stops breathing, artificial respiration is required. See a doctor. 4. Misuse: Please rinse your mouth with clean water, take the label with you and send it to the doctor immediately. There's no antidote. It's a cure.Symptoms of poisoning: headache, nausea, vomiting, chest tightness, etc. Poisoning first aid: 1. Skin contact: immediately take off the contaminated clothing, rinse the contaminated skin with plenty of water, wash it with soap, and then rinse it with water. 2. Eye splash: Immediately open the eyelids, rinse with water for at least 15 minutes, and then consult a doctor. 3. Inhalation: Immediately transfer the inhaler to a place with fresh air. If the inhaler stops breathing, artificial respiration is required. See a doctor. 4. Misuse: Please rinse your mouth with clean water, take the label with you and send it to the doctor immediately. There's no antidote. It's a cure.