What is immediate treatment for water moccasin bite?

If you're bitten by a rattlesnake

DO stay calm.

DO call 911 and seek medical attention immediately.

DO remove any jewelry or tight clothing from the bitten area/limb right

away (you'll want it off before the wound and surrounding tissue starts

swelling).

Do NOT cut the bite site, or create any kind of tourniquet around the wound.

Do NOT put ice on the bite.

Do NOT try to suck the venom from the wound.

Do NOT treat the site with rubbing alcohol or medication.

Do NOT wait for swelling, pain or other common symptoms to manifest

themselves before going to the emergency room.