Cobra bite
[Local symptoms]
After biting, the pain is immediately felt, gradually worsening and spreading towards the center. There are two common dental scars with a distance between teeth of 1.1-1.9 centimeters. The wound does not bleed much and quickly closes, turning black. The skin around the wound quickly turns red and can spread to the entire limb, even the trunk. Locally, there are often blisters, blood vessels, and corresponding lymphangitis, as well as lymphadenitis. Local tissues infiltrated by toxins can cause ischemia and hypoxia, degeneration and necrosis, forming ulcers that are difficult to heal over time.
[Systemic symptoms]
Severe cases may experience general discomfort, drowsiness, chills, and fever of 39-40 ℃ within 2-6 hours after injury. Chest tightness, palpitations, nausea, vomiting, muscle weakness, unsteady gait, and lazy speech. As the condition worsens, drooping eyelids, unclear speech, difficulty swallowing, and shallow breathing may occur. Blood pressure first rises and then falls, eventually leading to shock. Death may occur due to respiratory paralysis, acute renal failure, and circulatory failure.
Cobra king snake bite
[Local Symptoms] Immediately after injury, severe local pain is felt, with large and deep dental scars in the shape of (′ ′). The distance between the dental scars is wide, often greater than 1.9 centimeters, and the local redness and swelling are obvious, rapidly spreading upwards.
[Systemic Symptoms] Poisoning symptoms develop rapidly, with dizziness, headache, restlessness, fatigue, difficulty opening the mouth, weakened heartbeat, irregular heart rate, cold hands and feet, sweating, sharp drop in blood pressure, respiratory depression, cyanosis, systemic paralysis, disappearance of various neurophysiological reflexes, and finally coma and convulsions within half an hour. Generally, death can occur within 1-2 hours after injury due to respiratory paralysis and acute circulatory failure.
