However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing, kidney problems (such as change in the amount of urine). This is not a complete list of possible side effects.
They are more active when it is cooler, but they can and do come out of hiding at any time of the day. Here in the desert, Arizona Rattlesnakes can easily overheat and die if they cannot find a cool place to keep themselves cool.
Jupiterimages/Photos.com/Getty Images. The 36 known rattlesnake species live only in North and South America. The sidewinder rattlesnake is indigenous to desert regions across southeastern California, southern Nevada, southwestern Utah, western Arizona and northwestern Mexico. Sidewinder rattlesnakes are venomous, but of little threat to humans, except for young children. The toxin is capable of killing an animal weighing up to 30 pounds; in a larger animal or grown human, it typically causes transient pain, swelling, and general symptoms of illness.