Symptoms caused by the local action of hydrogen chloride include conjunctivitis, corneal necrosis, damage to the skin and mucous membranes, resulting in severe painful burns. Inhalation causes rhinitis, nasal septal perforation, dental erosion, laryngitis, bronchitis, pneumonia, headache and palpitations, and choking. When swallowed, it stimulates the mouth, throat, esophagus, and stomach, causing salivation, nausea, vomiting, intestinal perforation, chills, and fever, restlessness, shock, and nephritis. Long-term exposure to low concentrations of hydrogen chloride can dry the skin and change the color of the skin, and can also cause coughing. , Headache, insomnia, difficulty breathing, hyperpalpitations, severe stomach pain, etc. The most obvious symptom of chronic poisoning is that the surface of the teeth becomes rough, especially the patients with incisors that have spots and absorb hydrogen chloride should immediately move to a well-ventilated, non-polluted area to rest and stay warm and comfortable, and seek medical treatment immediately. After eye irritation, rinse immediately with water and seek medical treatment. When the skin is irritated, rinse with water at once, wash with soap and then apply magnesium oxide glycerin ointment, or rinse with plenty of water and then wash with 5% sodium bicarbonate aqueous solution to neutralize, and then rinse with clean water.
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