Spider bite treatment, what to do?

Spider bite. Seek medical care asap if you think a spider bit you ; you have severe pain (can be felt at bite site ; possible chest, back or abdomen); abdominal cramping /rigidness or ulceration of skin at site. You may need a tetanus shot (if you don't know when your last shot was or it has been > 10 years). Also medical care if you develop signs of secondary infection. Clean area w antibacterial soap.