Irritant poisoning occurs when a person is exposed to a substance that causes irritation or inflammation in the body. Some synonyms for irritant poisoning include chemical irritation, chemical burn, toxic exposure, and chemical toxicity. Irritation can occur on the skin, in the eyes, or in the respiratory system, depending on the substance and the method of exposure. Symptoms of irritant poisoning may include itching, burning, redness, swelling, difficulty breathing, and nausea. It is important to seek medical attention immediately if you suspect that you have been exposed to an irritant substance, as some chemicals can cause serious health problems if left untreated.