The signs of acute<unk>  are primarily respiratory, and include difficulty breathing and cough; listening to the lungs will generally reveal crackles. There will generally be sneezing, nose irritation, burning sensations, and throat irritations. There may also be skin irritations or chemical burns and eye irritation or conjunctivitis. A person with<unk>  may also have nausea, vomiting, or a headache. Chronic exposure to relatively low levels of<unk> <unk>  may cause pulmonary problems like acute wheezing attacks, chronic cough with phlegm, and asthma.
Chlorine gas poisoning
Carbon monoxide poisoning
Nitrogen dioxide poisoning
Cyanide poisoning
Salicylate poisoning
Arsenic poisoning
Organophosphate poisoning
Aluminium phosphide poisoning