If you have a raised,red,painful sore on your body and have captured a spider or seen a dead one on your body or in your clothing you know you have a spider bite.  Unless you have actually seen the spider this “sore”  could be many other conditions including methicillin-resistant Staphylococcus aureus better known as MRSA.     Symptoms of MRSA can be a wound draining yellow white fluid or pus, fever , chills , redness and pain which if not treated with antibiotics and wound care  could result in adverse outcome.  Many of these symptoms could also accompany a spider bite so it is very important to seek medical treatment quickly.  Do Not  “open” the wound yourself, squeeze the wound, apply heat or hot compress to the wound this could result in more severe damage.  Any time you have a boil, or bite seek medical treatment from a health care professional as soon as possible.