Lizard bite: Only two types of lizards are poisonous: the Gila monster that lives in Arizona and Mexico and the beaded lizard of Mexico. Symptoms from their bites of these include pain, swelling, and discoloration in the area around the bite and swollen lymph nodes. Weakness, sweating, thirst, headache, and ringing in the ears (tinnitus) may also develop. In severe cases, blood pressure may fall. Keep the victim calm, still, and warm, and take them immediately to the nearest hospital. The bitten limb should be loosely immobilized and kept positioned below heart level. Rings, watches, and tight clothing should be removed, and no stimulants should be given. A Sawyer's extractor (a device that suctions venom from the site of the bite, designed for first aid) should be applied over the bite within 5 minutes and kept in place for 30 to 40 minutes during transportation to the hospital. A specific antivenom is not available.
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