You can tell if a bite is from a poisonous snake if you notice the distinctive fang marks. Poisonous snakes also tend to have triangular heads. Of course, it's best to prevent bites before they happen. If you're in the outdoors where snakes may be, wear sturdy shoes and long pants. Look out for snakes in underbrush or sunning themselves on rocks.
Snakes tend to bite when they feel threatened.
Otherwise, they'd rather hide from you. Other Topics Health Watch is intended to provide general information only and should not replace the advice of a medical professional. You should contact your physician if you have questions about any of these topics.