Deadliest Snakes in the US: 8 Bites You Want to Avoid

Be cautious in areas with dry, sandy soil. Watch where you step and avoid tall grass.Seek immediate medical attention. Keep the bitten area immobilized and below heart level.

Eastern Diamondback Rattlesnake

Southwestern US, including Texas, Arizona, and New Mexico.Hemotoxic venom that can cause extensive tissue damage and pain.Severe pain, swelling, and discoloration at the bite site.

Western Diamondback Rattlesnake

Eastern and Central US, including the Appalachian region.Hemotoxic venom that affects blood clotting and tissue.Intense pain, swelling, and sometimes symptoms of shock.

Timber Rattlesnake

Eastern and Central US, including the Appalachian Mountains.Get medical help right away. Clean the wound but do not apply ice or a tourniquet.Pain, swelling, and possible nausea.


Southeastern US, especially in swamps and slow-moving rivers.Hemotoxic venom causing pain and tissue damage.Be cautious around water bodies and be aware of your surroundings.


Southeastern US, including Florida and parts of Texas.Neurotoxic venom affecting the nervous system.Weakness, difficulty breathing, and muscle paralysis.

Coral Snake

Nationwide, commonly found in dark, undisturbed areas.Neurotoxic venom causing pain and systemic symptoms.Severe pain, muscle cramps, and potential systemic reactions.

Black Widow Spider

Rapid onset of symptoms, including difficulty breathing.This snake is not found in the US, but be cautious of similar species.This snake's bites are fatal without antivenom; not applicable in the US.


Discover the most Venomous snakes found in the United States