Toluene vapor is toxic, and if you come into contact with toluene vapor at work or in your life, toluene inhalation will cause symptoms of poisoning, mainly manifested as irritation to the skin and mucous membranes, and also has toxic effects on the nervous system, as well as anesthesia. Acute toluene poisoning occurs in patients who have inhaled high concentrations of toluene, and there are obvious symptoms of respiratory and eye irritation, manifested as eye tearing, conjunctival edema, and pharyngeal congestion, coughing, and pharyngeal discomfort. Patients also exhibit symptoms of dizziness, headache, nausea, vomiting, as well as chest tightness and weakness of the limbs. Toluene vapor has a toxic effect on the central nervous system, manifesting as a staggering gait, blurred consciousness, and in severe cases, convulsions, irritability, and even coma. Long-term exposure to toluene vapor will manifest as chronic poisoning symptoms, manifesting as neurasthenia, insomnia, liver and spleen enlargement, and women will have menstrual disorders.