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Each year, approximately 8,000 people receive bites from venomous snakes in the United States, mostly between April and October. Even a bite from a nonvenomous snake can cause infection or allergic reaction in some people. The most important thing to remember for snake bites is to treat all snake bites as if they were venomous and get to a hospital emergency room as quickly as possible, especially if you are unsure of the exact type of snake responsible for the bite. With the correct treatment (or antivenin), severe illness and/or death can be prevented. (Antivenin is an antitoxin specific to the venom of a particular animal or insect).
People who frequent wilderness areas, camp, hike, picnic, or live in snake-inhabited areas should be aware of the potential dangers posed by venomous snakes. These people should:
Know how to identify venomous snakes.
Have access to transportation and medical assistance in case of emergency.
Only about 25 species (5%) of snakes in the US are venomous. The most common venomous snake bites are caused by the following snakes:
Pit vipers--rattlesnakes, copperheads and cottonmouth (water moccasin) snakes
Rattlesnake bites cause most of the venomous bites in the US. Coral snakes cause less than 1% of venomous snakebites.
Symptoms will vary depending on the type of snake bite, amount of venom injected, and size and general health of the snake bite victim. Some snake bite victims may not have symptoms for a period. Symptoms may include any of the following:
Bloody wound discharge
Fang marks in the skin
Swelling at the site of the bite which may progress to an entire extremity within hours
Severe localized pain, burning and warmth
Discoloration, such as redness and bruising
Enlarged lymph nodes in the area
Nausea or vomiting
Fever or chills
Weakness, dizziness, or fainting
Numbness and tingling, especially in the mouth
Altered mental state
Generalized bleeding or hemorrhage
Remain calm and reassure your child that you can help. Specific treatment for a snake bite will be determined by your child's health care provider. Treatment may include:
Move the child to a nearby safe area, away from the snake.
Call for emergency assistance immediately. Antivenin should be given within 4 hours when possible. It is not usually effective if given more than 12 hours after the bite. While waiting for emergency assistance:
Have your child lie down, rest, and keep calm.
Wash the bite with soap and water.
Keep warm and avoid cooling the area to prevent further tissue damage.
Remove all rings, watches, and constrictive clothing in case of swelling.
Loosely immobilize the bitten area and keep it lower than the heart.
Do not give your child anything to eat or drink.
Monitor heart rate and breathing.
Note the time of the bite so that it can be reported to an emergency room if needed.
If possible, try to remember to draw a circle around the affected area and mark the time of the bite and the initial reaction. If you are able, redraw the circle around the site of injury marking the progression of time.
It is helpful to remember what the snake looks like, its size, and the type of snake, to inform the emergency room staff.
Do not apply a tourniquet.
Once in the hospital, treatment may include the use of antivenin, an antitoxin specific to the venom of a particular animal or insect. Treatment may also include lab work, pain or sedation medications, tetanus booster, antibiotics, and supportive care.
Some bites, such as those inflicted when your child accidentally steps on a snake in the woods, are nearly impossible to prevent. However, there are precautions that can reduce your child's chances of being bitten by a snake. These include:
Teach your child to leave snakes alone. Often people are bitten because they try to kill a snake or get too close to it.
Make sure your child stays out of tall grass unless he or she wears thick leather boots. Try to ensure that your child remains on hiking paths as much as possible.
Do not allow your child to place his or her hands and feet in areas he or she cannot see. Picking up rocks or firewood should be avoided.
Reinforce caution and alertness when your child is climbing rocks.
Bayhealth is Southern Delaware’s healthcare leader with hospitals in Dover and in Milford. Bayhealth provides a wide range of medical services, including cardiovascular, cancer, orthopaedics and rehabilitation, pediatrics, respiratory care, sleep care, surgical weight loss and women’s services.