The nature of the venom depends on the type of snake that inflicted the bite.
Home Treatment If within 40 minutes of an emergency room: Remove any restrictive clothing, rings, and watches.
A call is probably not necessary unless summoning an emergency vehicle, as the patient should be seen in an emergency room to determine if the bite contains any poison.
Expectations (prognosis) If treatment is obtained soon enough, only a small percentage of those bitten by a poisonous snake die.
Definition
Poisoning from the bite of a poisonous snake.
Poisonous Ingredient
The nature of the venom depends on the type of snake that inflicted the bite.
Where Found
rattlesnakes
cottonmouth snakes
copperheads
coral snakes
Note: This list may not be all inclusive.
Symptoms
Rattlesnakes:
body as a whole o swelling o pain at site of bite o weakness o paralysis o tingling o numbness o thirst o tiredness o shock
respiratory o difficulty breathing
eyes, ears, nose, and throat o blurred vision o eye lid drooping
skin o destruction of tissue o discoloration of skin
gastrointestinal o nausea o Vomiting
heart and blood vessels o bleeding o Low Blood pressure o weak pulse o rapid pulse
Cottonmouth and copperhead snakes:
body as a whole o swelling o pain at site of bite o thirst o weakness o tiredness o shock o tingling o numbness
respiratory o difficulty breathing
skin o discoloration of skin o destruction of tissue
gastrointestinal o nausea, Vomiting
heart and blood vessels o weak pulse o Low Blood pressure o bleeding
coral snakes:
body as a whole o pain at site of bite o swelling o drowsiness o weaknesso slurred speecho o shocko paralysiso numbness of the affected area
Written and revised by
David Cohen, M.D.
Our doctors write and review articles for accuracy and keep them up to date.
health.am provides general information, not medical advice. Always consult a qualified health professional about your own health.
respiratory o breathing difficulty (change in the pattern of breathing)
eyes, ears, nose, and throat o difficulty swallowing o blurred vision o feeling of swollen tongue and /or throat o eye lid drooping o excessive salivation
skin o discoloration of skin o destruction of tissue
gastrointestinal o nausea, Vomiting o stomach or Abdominal pain
heart and blood vessels o Low Blood pressure o weak pulse
Home Treatment If within 40 minutes of an emergency room: Remove any restrictive clothing, rings, and watches. Have the patient rest. Keep the patient warm. Get the patient to the emergency room as soon as possible.
If further than 40 minutes from an emergency room, see the injuries document on snake bite for further information.
Before Calling Emergency
Determine the following information:
the patient's age, weight, and condition
identification of the snake if possible
the time bitten
the location on the body of the bite
Poison Control, or a local emergency number
A call is probably not necessary unless summoning an emergency vehicle, as the patient should be seen in an emergency room to determine if the bite contains any poison.
Some snake bites are from nonpoisonous snakes, but 20-30% of the bites from poisonous snakes do not actually inject poison into the wound site and can therefore be treated as a puncture wound.
What to expect at the emergency room
Some or all of the following procedures may be performed:
Make an evaluation to determine if poison was injected into the wound site.
Give antivenom if necessary.
Give antitetanus shot if needed.
Treat the symptoms.
Expectations (prognosis) If treatment is obtained soon enough, only a small percentage of those bitten by a poisonous snake die.
Poison Control Centers for Nebraska - Pennsylvania
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